Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar: "Mostly tooling fixes and some late tooling updates, plus two perf related printk message fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tests bpf: Use SyS_epoll_wait alias perf tests: objdump output can contain multi byte chunks perf record: Add --sample-cpu option perf hists: Introduce output_resort_cb method perf tools: Move config/Makefile into Makefile.config perf tests: Add test for bitmap_scnprintf function tools lib: Add bitmap_and function tools lib: Add bitmap_scnprintf function tools lib: Add bitmap_alloc function tools lib traceevent: Ignore generated library files perf tools: Fix build failure on perl script context perf/core: Change log level for duration warning to KERN_INFO perf annotate: Plug filename string leak perf annotate: Introduce strerror for handling symbol__disassemble() errors perf annotate: Rename symbol__annotate() to symbol__disassemble() perf/x86: Modify error message in virtualized environment perf target: str_error_r() always returns the buffer it receives perf annotate: Use pipe + fork instead of popen perf evsel: Introduce constructor for cycles eventsteinar/wifi_calib_4_9_kernel
Linus Torvalds
commit
db8262787e
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@ -263,10 +263,13 @@ static bool check_hw_exists(void)
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return true;
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msr_fail:
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pr_cont("Broken PMU hardware detected, using software events only.\n");
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printk("%sFailed to access perfctr msr (MSR %x is %Lx)\n",
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boot_cpu_has(X86_FEATURE_HYPERVISOR) ? KERN_INFO : KERN_ERR,
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reg, val_new);
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if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) {
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pr_cont("PMU not available due to virtualization, using software events only.\n");
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} else {
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pr_cont("Broken PMU hardware detected, using software events only.\n");
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pr_err("Failed to access perfctr msr (MSR %x is %Lx)\n",
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reg, val_new);
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}
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return false;
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}
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@ -448,7 +448,7 @@ static u64 __report_allowed;
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static void perf_duration_warn(struct irq_work *w)
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{
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printk_ratelimited(KERN_WARNING
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printk_ratelimited(KERN_INFO
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"perf: interrupt took too long (%lld > %lld), lowering "
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"kernel.perf_event_max_sample_rate to %d\n",
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__report_avg, __report_allowed,
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@ -3,6 +3,7 @@
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#include <string.h>
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#include <linux/bitops.h>
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#include <stdlib.h>
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#define DECLARE_BITMAP(name,bits) \
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unsigned long name[BITS_TO_LONGS(bits)]
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@ -10,6 +11,8 @@
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int __bitmap_weight(const unsigned long *bitmap, int bits);
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void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
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const unsigned long *bitmap2, int bits);
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int __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
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const unsigned long *bitmap2, unsigned int bits);
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#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1)))
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@ -65,4 +68,38 @@ static inline int test_and_set_bit(int nr, unsigned long *addr)
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return (old & mask) != 0;
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}
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/**
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* bitmap_alloc - Allocate bitmap
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* @nr: Bit to set
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*/
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static inline unsigned long *bitmap_alloc(int nbits)
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{
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return calloc(1, BITS_TO_LONGS(nbits) * sizeof(unsigned long));
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}
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/*
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* bitmap_scnprintf - print bitmap list into buffer
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* @bitmap: bitmap
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* @nbits: size of bitmap
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* @buf: buffer to store output
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* @size: size of @buf
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*/
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size_t bitmap_scnprintf(unsigned long *bitmap, int nbits,
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char *buf, size_t size);
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/**
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* bitmap_and - Do logical and on bitmaps
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* @dst: resulting bitmap
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* @src1: operand 1
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* @src2: operand 2
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* @nbits: size of bitmap
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*/
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static inline int bitmap_and(unsigned long *dst, const unsigned long *src1,
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const unsigned long *src2, unsigned int nbits)
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{
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if (small_const_nbits(nbits))
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return (*dst = *src1 & *src2 & BITMAP_LAST_WORD_MASK(nbits)) != 0;
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return __bitmap_and(dst, src1, src2, nbits);
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}
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#endif /* _PERF_BITOPS_H */
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@ -29,3 +29,47 @@ void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
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for (k = 0; k < nr; k++)
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dst[k] = bitmap1[k] | bitmap2[k];
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}
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size_t bitmap_scnprintf(unsigned long *bitmap, int nbits,
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char *buf, size_t size)
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{
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/* current bit is 'cur', most recently seen range is [rbot, rtop] */
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int cur, rbot, rtop;
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bool first = true;
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size_t ret = 0;
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rbot = cur = find_first_bit(bitmap, nbits);
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while (cur < nbits) {
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rtop = cur;
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cur = find_next_bit(bitmap, nbits, cur + 1);
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if (cur < nbits && cur <= rtop + 1)
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continue;
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if (!first)
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ret += scnprintf(buf + ret, size - ret, ",");
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first = false;
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ret += scnprintf(buf + ret, size - ret, "%d", rbot);
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if (rbot < rtop)
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ret += scnprintf(buf + ret, size - ret, "-%d", rtop);
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rbot = cur;
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}
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return ret;
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}
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int __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
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const unsigned long *bitmap2, unsigned int bits)
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{
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unsigned int k;
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unsigned int lim = bits/BITS_PER_LONG;
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unsigned long result = 0;
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for (k = 0; k < lim; k++)
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result |= (dst[k] = bitmap1[k] & bitmap2[k]);
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if (bits % BITS_PER_LONG)
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result |= (dst[k] = bitmap1[k] & bitmap2[k] &
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BITMAP_LAST_WORD_MASK(bits));
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return result != 0;
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}
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@ -1,2 +1,3 @@
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TRACEEVENT-CFLAGS
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libtraceevent-dynamic-list
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libtraceevent.so.*
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@ -192,6 +192,9 @@ OPTIONS
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--period::
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Record the sample period.
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--sample-cpu::
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Record the sample cpu.
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-n::
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--no-samples::
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Don't sample.
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@ -161,7 +161,7 @@ TRACE_EVENT_DIR = $(srctree)/tools/lib/traceevent/
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BPF_DIR = $(srctree)/tools/lib/bpf/
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SUBCMD_DIR = $(srctree)/tools/lib/subcmd/
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# include config/Makefile by default and rule out
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# include Makefile.config by default and rule out
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# non-config cases
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config := 1
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@ -183,7 +183,7 @@ ifeq ($(filter feature-dump,$(MAKECMDGOALS)),feature-dump)
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FEATURE_TESTS := all
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endif
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endif
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include config/Makefile
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include Makefile.config
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endif
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ifeq ($(config),0)
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@ -706,7 +706,7 @@ $(INSTALL_DOC_TARGETS):
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### Cleaning rules
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#
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# This is here, not in config/Makefile, because config/Makefile does
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# This is here, not in Makefile.config, because Makefile.config does
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# not get included for the clean target:
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#
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config-clean:
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@ -1434,6 +1434,7 @@ struct option __record_options[] = {
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OPT_BOOLEAN('s', "stat", &record.opts.inherit_stat,
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"per thread counts"),
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OPT_BOOLEAN('d', "data", &record.opts.sample_address, "Record the sample addresses"),
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OPT_BOOLEAN(0, "sample-cpu", &record.opts.sample_cpu, "Record the sample cpu"),
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OPT_BOOLEAN_SET('T', "timestamp", &record.opts.sample_time,
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&record.opts.sample_time_set,
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"Record the sample timestamps"),
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@ -128,10 +128,14 @@ static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he)
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return err;
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}
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err = symbol__annotate(sym, map, 0);
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err = symbol__disassemble(sym, map, 0);
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if (err == 0) {
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out_assign:
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top->sym_filter_entry = he;
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} else {
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char msg[BUFSIZ];
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symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
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pr_err("Couldn't annotate %s: %s\n", sym->name, msg);
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}
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pthread_mutex_unlock(¬es->lock);
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@ -52,6 +52,7 @@ struct record_opts {
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bool sample_weight;
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bool sample_time;
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bool sample_time_set;
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bool sample_cpu;
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bool period;
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bool running_time;
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bool full_auxtrace;
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@ -1,3 +1,5 @@
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libperf-y += Context.o
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CFLAGS_Context.o += $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs -Wno-undef -Wno-switch-default
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CFLAGS_Context.o += $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes
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CFLAGS_Context.o += -Wno-unused-parameter -Wno-nested-externs -Wno-undef
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CFLAGS_Context.o += -Wno-switch-default -Wno-shadow
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@ -41,6 +41,7 @@ perf-y += event-times.o
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perf-y += backward-ring-buffer.o
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perf-y += sdt.o
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perf-y += is_printable_array.o
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perf-y += bitmap.o
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$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build
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$(call rule_mkdir)
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@ -0,0 +1,53 @@
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#include <linux/compiler.h>
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#include <linux/bitmap.h>
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#include "tests.h"
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#include "cpumap.h"
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#include "debug.h"
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#define NBITS 100
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static unsigned long *get_bitmap(const char *str, int nbits)
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{
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struct cpu_map *map = cpu_map__new(str);
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unsigned long *bm = NULL;
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int i;
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bm = bitmap_alloc(nbits);
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if (map && bm) {
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bitmap_zero(bm, nbits);
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for (i = 0; i < map->nr; i++)
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set_bit(map->map[i], bm);
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}
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if (map)
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cpu_map__put(map);
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return bm;
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}
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static int test_bitmap(const char *str)
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{
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unsigned long *bm = get_bitmap(str, NBITS);
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char buf[100];
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int ret;
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bitmap_scnprintf(bm, NBITS, buf, sizeof(buf));
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pr_debug("bitmap: %s\n", buf);
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ret = !strcmp(buf, str);
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free(bm);
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return ret;
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}
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int test__bitmap_print(int subtest __maybe_unused)
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{
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,5"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3,5,7,9,11,13,15,17,19,21-40"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("2-5"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
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TEST_ASSERT_VAL("failed to convert map", test_bitmap("1-10,12-20,22-30,32-40"));
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return 0;
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}
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@ -31,8 +31,8 @@ struct bpf_map_def SEC("maps") flip_table = {
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.max_entries = 1,
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};
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SEC("func=sys_epoll_wait")
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int bpf_func__sys_epoll_wait(void *ctx)
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SEC("func=SyS_epoll_wait")
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int bpf_func__SyS_epoll_wait(void *ctx)
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{
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int ind =0;
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int *flag = bpf_map_lookup_elem(&flip_table, &ind);
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|
|
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@ -225,6 +225,10 @@ static struct test generic_tests[] = {
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.desc = "Test is_printable_array function",
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.func = test__is_printable_array,
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},
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{
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.desc = "Test bitmap print",
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.func = test__bitmap_print,
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},
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{
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.func = NULL,
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},
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|
|
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|
|
@ -33,44 +33,86 @@ static unsigned int hex(char c)
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return c - 'A' + 10;
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}
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static size_t read_objdump_line(const char *line, size_t line_len, void *buf,
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size_t len)
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static size_t read_objdump_chunk(const char **line, unsigned char **buf,
|
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size_t *buf_len)
|
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{
|
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size_t bytes_read = 0;
|
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unsigned char *chunk_start = *buf;
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||||
|
||||
/* Read bytes */
|
||||
while (*buf_len > 0) {
|
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char c1, c2;
|
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|
||||
/* Get 2 hex digits */
|
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c1 = *(*line)++;
|
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if (!isxdigit(c1))
|
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break;
|
||||
c2 = *(*line)++;
|
||||
if (!isxdigit(c2))
|
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break;
|
||||
|
||||
/* Store byte and advance buf */
|
||||
**buf = (hex(c1) << 4) | hex(c2);
|
||||
(*buf)++;
|
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(*buf_len)--;
|
||||
bytes_read++;
|
||||
|
||||
/* End of chunk? */
|
||||
if (isspace(**line))
|
||||
break;
|
||||
}
|
||||
|
||||
/*
|
||||
* objdump will display raw insn as LE if code endian
|
||||
* is LE and bytes_per_chunk > 1. In that case reverse
|
||||
* the chunk we just read.
|
||||
*
|
||||
* see disassemble_bytes() at binutils/objdump.c for details
|
||||
* how objdump chooses display endian)
|
||||
*/
|
||||
if (bytes_read > 1 && !bigendian()) {
|
||||
unsigned char *chunk_end = chunk_start + bytes_read - 1;
|
||||
unsigned char tmp;
|
||||
|
||||
while (chunk_start < chunk_end) {
|
||||
tmp = *chunk_start;
|
||||
*chunk_start = *chunk_end;
|
||||
*chunk_end = tmp;
|
||||
chunk_start++;
|
||||
chunk_end--;
|
||||
}
|
||||
}
|
||||
|
||||
return bytes_read;
|
||||
}
|
||||
|
||||
static size_t read_objdump_line(const char *line, unsigned char *buf,
|
||||
size_t buf_len)
|
||||
{
|
||||
const char *p;
|
||||
size_t i, j = 0;
|
||||
size_t ret, bytes_read = 0;
|
||||
|
||||
/* Skip to a colon */
|
||||
p = strchr(line, ':');
|
||||
if (!p)
|
||||
return 0;
|
||||
i = p + 1 - line;
|
||||
p++;
|
||||
|
||||
/* Read bytes */
|
||||
while (j < len) {
|
||||
char c1, c2;
|
||||
|
||||
/* Skip spaces */
|
||||
for (; i < line_len; i++) {
|
||||
if (!isspace(line[i]))
|
||||
break;
|
||||
}
|
||||
/* Get 2 hex digits */
|
||||
if (i >= line_len || !isxdigit(line[i]))
|
||||
/* Skip initial spaces */
|
||||
while (*p) {
|
||||
if (!isspace(*p))
|
||||
break;
|
||||
c1 = line[i++];
|
||||
if (i >= line_len || !isxdigit(line[i]))
|
||||
break;
|
||||
c2 = line[i++];
|
||||
/* Followed by a space */
|
||||
if (i < line_len && line[i] && !isspace(line[i]))
|
||||
break;
|
||||
/* Store byte */
|
||||
*(unsigned char *)buf = (hex(c1) << 4) | hex(c2);
|
||||
buf += 1;
|
||||
j++;
|
||||
p++;
|
||||
}
|
||||
|
||||
do {
|
||||
ret = read_objdump_chunk(&p, &buf, &buf_len);
|
||||
bytes_read += ret;
|
||||
p++;
|
||||
} while (ret > 0);
|
||||
|
||||
/* return number of successfully read bytes */
|
||||
return j;
|
||||
return bytes_read;
|
||||
}
|
||||
|
||||
static int read_objdump_output(FILE *f, void *buf, size_t *len, u64 start_addr)
|
||||
|
|
@ -95,7 +137,7 @@ static int read_objdump_output(FILE *f, void *buf, size_t *len, u64 start_addr)
|
|||
}
|
||||
|
||||
/* read objdump data into temporary buffer */
|
||||
read_bytes = read_objdump_line(line, ret, tmp, sizeof(tmp));
|
||||
read_bytes = read_objdump_line(line, tmp, sizeof(tmp));
|
||||
if (!read_bytes)
|
||||
continue;
|
||||
|
||||
|
|
@ -152,7 +194,7 @@ static int read_via_objdump(const char *filename, u64 addr, void *buf,
|
|||
|
||||
ret = read_objdump_output(f, buf, &len, addr);
|
||||
if (len) {
|
||||
pr_debug("objdump read too few bytes\n");
|
||||
pr_debug("objdump read too few bytes: %zd\n", len);
|
||||
if (!ret)
|
||||
ret = len;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -90,6 +90,7 @@ int test__backward_ring_buffer(int subtest);
|
|||
int test__cpu_map_print(int subtest);
|
||||
int test__sdt_event(int subtest);
|
||||
int test__is_printable_array(int subtest);
|
||||
int test__bitmap_print(int subtest);
|
||||
|
||||
#if defined(__arm__) || defined(__aarch64__)
|
||||
#ifdef HAVE_DWARF_UNWIND_SUPPORT
|
||||
|
|
|
|||
|
|
@ -1026,7 +1026,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map,
|
|||
.use_navkeypressed = true,
|
||||
},
|
||||
};
|
||||
int ret = -1;
|
||||
int ret = -1, err;
|
||||
int nr_pcnt = 1;
|
||||
size_t sizeof_bdl = sizeof(struct browser_disasm_line);
|
||||
|
||||
|
|
@ -1050,8 +1050,11 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map,
|
|||
(nr_pcnt - 1);
|
||||
}
|
||||
|
||||
if (symbol__annotate(sym, map, sizeof_bdl) < 0) {
|
||||
ui__error("%s", ui_helpline__last_msg);
|
||||
err = symbol__disassemble(sym, map, sizeof_bdl);
|
||||
if (err) {
|
||||
char msg[BUFSIZ];
|
||||
symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
|
||||
ui__error("Couldn't annotate %s:\n%s", sym->name, msg);
|
||||
goto out_free_offsets;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -162,12 +162,16 @@ static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
|
|||
GtkWidget *notebook;
|
||||
GtkWidget *scrolled_window;
|
||||
GtkWidget *tab_label;
|
||||
int err;
|
||||
|
||||
if (map->dso->annotate_warned)
|
||||
return -1;
|
||||
|
||||
if (symbol__annotate(sym, map, 0) < 0) {
|
||||
ui__error("%s", ui_helpline__current);
|
||||
err = symbol__disassemble(sym, map, 0);
|
||||
if (err) {
|
||||
char msg[BUFSIZ];
|
||||
symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
|
||||
ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1123,7 +1123,46 @@ static void delete_last_nop(struct symbol *sym)
|
|||
}
|
||||
}
|
||||
|
||||
int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize)
|
||||
int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map,
|
||||
int errnum, char *buf, size_t buflen)
|
||||
{
|
||||
struct dso *dso = map->dso;
|
||||
|
||||
BUG_ON(buflen == 0);
|
||||
|
||||
if (errnum >= 0) {
|
||||
str_error_r(errnum, buf, buflen);
|
||||
return 0;
|
||||
}
|
||||
|
||||
switch (errnum) {
|
||||
case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: {
|
||||
char bf[SBUILD_ID_SIZE + 15] = " with build id ";
|
||||
char *build_id_msg = NULL;
|
||||
|
||||
if (dso->has_build_id) {
|
||||
build_id__sprintf(dso->build_id,
|
||||
sizeof(dso->build_id), bf + 15);
|
||||
build_id_msg = bf;
|
||||
}
|
||||
scnprintf(buf, buflen,
|
||||
"No vmlinux file%s\nwas found in the path.\n\n"
|
||||
"Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n"
|
||||
"Please use:\n\n"
|
||||
" perf buildid-cache -vu vmlinux\n\n"
|
||||
"or:\n\n"
|
||||
" --vmlinux vmlinux\n", build_id_msg ?: "");
|
||||
}
|
||||
break;
|
||||
default:
|
||||
scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum);
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int symbol__disassemble(struct symbol *sym, struct map *map, size_t privsize)
|
||||
{
|
||||
struct dso *dso = map->dso;
|
||||
char *filename = dso__build_id_filename(dso, NULL, 0);
|
||||
|
|
@ -1134,22 +1173,20 @@ int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize)
|
|||
char symfs_filename[PATH_MAX];
|
||||
struct kcore_extract kce;
|
||||
bool delete_extract = false;
|
||||
int stdout_fd[2];
|
||||
int lineno = 0;
|
||||
int nline;
|
||||
pid_t pid;
|
||||
|
||||
if (filename)
|
||||
symbol__join_symfs(symfs_filename, filename);
|
||||
|
||||
if (filename == NULL) {
|
||||
if (dso->has_build_id) {
|
||||
pr_err("Can't annotate %s: not enough memory\n",
|
||||
sym->name);
|
||||
return -ENOMEM;
|
||||
}
|
||||
if (dso->has_build_id)
|
||||
return ENOMEM;
|
||||
goto fallback;
|
||||
} else if (dso__is_kcore(dso)) {
|
||||
goto fallback;
|
||||
} else if (readlink(symfs_filename, command, sizeof(command)) < 0 ||
|
||||
} else if (dso__is_kcore(dso) ||
|
||||
readlink(symfs_filename, command, sizeof(command)) < 0 ||
|
||||
strstr(command, DSO__NAME_KALLSYMS) ||
|
||||
access(symfs_filename, R_OK)) {
|
||||
free(filename);
|
||||
|
|
@ -1166,27 +1203,7 @@ fallback:
|
|||
|
||||
if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
|
||||
!dso__is_kcore(dso)) {
|
||||
char bf[SBUILD_ID_SIZE + 15] = " with build id ";
|
||||
char *build_id_msg = NULL;
|
||||
|
||||
if (dso->annotate_warned)
|
||||
goto out_free_filename;
|
||||
|
||||
if (dso->has_build_id) {
|
||||
build_id__sprintf(dso->build_id,
|
||||
sizeof(dso->build_id), bf + 15);
|
||||
build_id_msg = bf;
|
||||
}
|
||||
err = -ENOENT;
|
||||
dso->annotate_warned = 1;
|
||||
pr_err("Can't annotate %s:\n\n"
|
||||
"No vmlinux file%s\nwas found in the path.\n\n"
|
||||
"Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n"
|
||||
"Please use:\n\n"
|
||||
" perf buildid-cache -vu vmlinux\n\n"
|
||||
"or:\n\n"
|
||||
" --vmlinux vmlinux\n",
|
||||
sym->name, build_id_msg ?: "");
|
||||
err = SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX;
|
||||
goto out_free_filename;
|
||||
}
|
||||
|
||||
|
|
@ -1258,9 +1275,32 @@ fallback:
|
|||
|
||||
pr_debug("Executing: %s\n", command);
|
||||
|
||||
file = popen(command, "r");
|
||||
err = -1;
|
||||
if (pipe(stdout_fd) < 0) {
|
||||
pr_err("Failure creating the pipe to run %s\n", command);
|
||||
goto out_remove_tmp;
|
||||
}
|
||||
|
||||
pid = fork();
|
||||
if (pid < 0) {
|
||||
pr_err("Failure forking to run %s\n", command);
|
||||
goto out_close_stdout;
|
||||
}
|
||||
|
||||
if (pid == 0) {
|
||||
close(stdout_fd[0]);
|
||||
dup2(stdout_fd[1], 1);
|
||||
close(stdout_fd[1]);
|
||||
execl("/bin/sh", "sh", "-c", command, NULL);
|
||||
perror(command);
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
close(stdout_fd[1]);
|
||||
|
||||
file = fdopen(stdout_fd[0], "r");
|
||||
if (!file) {
|
||||
pr_err("Failure running %s\n", command);
|
||||
pr_err("Failure creating FILE stream for %s\n", command);
|
||||
/*
|
||||
* If we were using debug info should retry with
|
||||
* original binary.
|
||||
|
|
@ -1286,9 +1326,11 @@ fallback:
|
|||
if (dso__is_kcore(dso))
|
||||
delete_last_nop(sym);
|
||||
|
||||
pclose(file);
|
||||
|
||||
fclose(file);
|
||||
err = 0;
|
||||
out_remove_tmp:
|
||||
close(stdout_fd[0]);
|
||||
|
||||
if (dso__needs_decompress(dso))
|
||||
unlink(symfs_filename);
|
||||
out_free_filename:
|
||||
|
|
@ -1297,6 +1339,10 @@ out_free_filename:
|
|||
if (free_filename)
|
||||
free(filename);
|
||||
return err;
|
||||
|
||||
out_close_stdout:
|
||||
close(stdout_fd[1]);
|
||||
goto out_remove_tmp;
|
||||
}
|
||||
|
||||
static void insert_source_line(struct rb_root *root, struct source_line *src_line)
|
||||
|
|
@ -1663,7 +1709,7 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map,
|
|||
struct rb_root source_line = RB_ROOT;
|
||||
u64 len;
|
||||
|
||||
if (symbol__annotate(sym, map, 0) < 0)
|
||||
if (symbol__disassemble(sym, map, 0) < 0)
|
||||
return -1;
|
||||
|
||||
len = symbol__size(sym);
|
||||
|
|
|
|||
|
|
@ -155,7 +155,27 @@ int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 addr);
|
|||
int symbol__alloc_hist(struct symbol *sym);
|
||||
void symbol__annotate_zero_histograms(struct symbol *sym);
|
||||
|
||||
int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
|
||||
int symbol__disassemble(struct symbol *sym, struct map *map, size_t privsize);
|
||||
|
||||
enum symbol_disassemble_errno {
|
||||
SYMBOL_ANNOTATE_ERRNO__SUCCESS = 0,
|
||||
|
||||
/*
|
||||
* Choose an arbitrary negative big number not to clash with standard
|
||||
* errno since SUS requires the errno has distinct positive values.
|
||||
* See 'Issue 6' in the link below.
|
||||
*
|
||||
* http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
|
||||
*/
|
||||
__SYMBOL_ANNOTATE_ERRNO__START = -10000,
|
||||
|
||||
SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX = __SYMBOL_ANNOTATE_ERRNO__START,
|
||||
|
||||
__SYMBOL_ANNOTATE_ERRNO__END,
|
||||
};
|
||||
|
||||
int symbol__strerror_disassemble(struct symbol *sym, struct map *map,
|
||||
int errnum, char *buf, size_t buflen);
|
||||
|
||||
int symbol__annotate_init(struct map *map, struct symbol *sym);
|
||||
int symbol__annotate_printf(struct symbol *sym, struct map *map,
|
||||
|
|
|
|||
|
|
@ -239,31 +239,13 @@ void perf_event_attr__set_max_precise_ip(struct perf_event_attr *attr)
|
|||
|
||||
int perf_evlist__add_default(struct perf_evlist *evlist)
|
||||
{
|
||||
struct perf_event_attr attr = {
|
||||
.type = PERF_TYPE_HARDWARE,
|
||||
.config = PERF_COUNT_HW_CPU_CYCLES,
|
||||
};
|
||||
struct perf_evsel *evsel;
|
||||
struct perf_evsel *evsel = perf_evsel__new_cycles();
|
||||
|
||||
event_attr_init(&attr);
|
||||
|
||||
perf_event_attr__set_max_precise_ip(&attr);
|
||||
|
||||
evsel = perf_evsel__new(&attr);
|
||||
if (evsel == NULL)
|
||||
goto error;
|
||||
|
||||
/* use asprintf() because free(evsel) assumes name is allocated */
|
||||
if (asprintf(&evsel->name, "cycles%.*s",
|
||||
attr.precise_ip ? attr.precise_ip + 1 : 0, ":ppp") < 0)
|
||||
goto error_free;
|
||||
return -ENOMEM;
|
||||
|
||||
perf_evlist__add(evlist, evsel);
|
||||
return 0;
|
||||
error_free:
|
||||
perf_evsel__delete(evsel);
|
||||
error:
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
int perf_evlist__add_dummy(struct perf_evlist *evlist)
|
||||
|
|
|
|||
|
|
@ -253,6 +253,34 @@ struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx)
|
|||
return evsel;
|
||||
}
|
||||
|
||||
struct perf_evsel *perf_evsel__new_cycles(void)
|
||||
{
|
||||
struct perf_event_attr attr = {
|
||||
.type = PERF_TYPE_HARDWARE,
|
||||
.config = PERF_COUNT_HW_CPU_CYCLES,
|
||||
};
|
||||
struct perf_evsel *evsel;
|
||||
|
||||
event_attr_init(&attr);
|
||||
|
||||
perf_event_attr__set_max_precise_ip(&attr);
|
||||
|
||||
evsel = perf_evsel__new(&attr);
|
||||
if (evsel == NULL)
|
||||
goto out;
|
||||
|
||||
/* use asprintf() because free(evsel) assumes name is allocated */
|
||||
if (asprintf(&evsel->name, "cycles%.*s",
|
||||
attr.precise_ip ? attr.precise_ip + 1 : 0, ":ppp") < 0)
|
||||
goto error_free;
|
||||
out:
|
||||
return evsel;
|
||||
error_free:
|
||||
perf_evsel__delete(evsel);
|
||||
evsel = NULL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
/*
|
||||
* Returns pointer with encoded error via <linux/err.h> interface.
|
||||
*/
|
||||
|
|
@ -854,7 +882,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts,
|
|||
perf_evsel__set_sample_bit(evsel, REGS_INTR);
|
||||
}
|
||||
|
||||
if (target__has_cpu(&opts->target))
|
||||
if (target__has_cpu(&opts->target) || opts->sample_cpu)
|
||||
perf_evsel__set_sample_bit(evsel, CPU);
|
||||
|
||||
if (opts->period)
|
||||
|
|
|
|||
|
|
@ -175,6 +175,8 @@ static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *
|
|||
return perf_evsel__newtp_idx(sys, name, 0);
|
||||
}
|
||||
|
||||
struct perf_evsel *perf_evsel__new_cycles(void);
|
||||
|
||||
struct event_format *event_format__new(const char *sys, const char *name);
|
||||
|
||||
void perf_evsel__init(struct perf_evsel *evsel,
|
||||
|
|
|
|||
|
|
@ -1672,7 +1672,7 @@ static void __hists__insert_output_entry(struct rb_root *entries,
|
|||
}
|
||||
|
||||
static void output_resort(struct hists *hists, struct ui_progress *prog,
|
||||
bool use_callchain)
|
||||
bool use_callchain, hists__resort_cb_t cb)
|
||||
{
|
||||
struct rb_root *root;
|
||||
struct rb_node *next;
|
||||
|
|
@ -1711,6 +1711,9 @@ static void output_resort(struct hists *hists, struct ui_progress *prog,
|
|||
n = rb_entry(next, struct hist_entry, rb_node_in);
|
||||
next = rb_next(&n->rb_node_in);
|
||||
|
||||
if (cb && cb(n))
|
||||
continue;
|
||||
|
||||
__hists__insert_output_entry(&hists->entries, n, min_callchain_hits, use_callchain);
|
||||
hists__inc_stats(hists, n);
|
||||
|
||||
|
|
@ -1731,12 +1734,18 @@ void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *pro
|
|||
else
|
||||
use_callchain = symbol_conf.use_callchain;
|
||||
|
||||
output_resort(evsel__hists(evsel), prog, use_callchain);
|
||||
output_resort(evsel__hists(evsel), prog, use_callchain, NULL);
|
||||
}
|
||||
|
||||
void hists__output_resort(struct hists *hists, struct ui_progress *prog)
|
||||
{
|
||||
output_resort(hists, prog, symbol_conf.use_callchain);
|
||||
output_resort(hists, prog, symbol_conf.use_callchain, NULL);
|
||||
}
|
||||
|
||||
void hists__output_resort_cb(struct hists *hists, struct ui_progress *prog,
|
||||
hists__resort_cb_t cb)
|
||||
{
|
||||
output_resort(hists, prog, symbol_conf.use_callchain, cb);
|
||||
}
|
||||
|
||||
static bool can_goto_child(struct hist_entry *he, enum hierarchy_move_dir hmd)
|
||||
|
|
|
|||
|
|
@ -153,8 +153,12 @@ int hist_entry__snprintf_alignment(struct hist_entry *he, struct perf_hpp *hpp,
|
|||
struct perf_hpp_fmt *fmt, int printed);
|
||||
void hist_entry__delete(struct hist_entry *he);
|
||||
|
||||
typedef int (*hists__resort_cb_t)(struct hist_entry *he);
|
||||
|
||||
void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *prog);
|
||||
void hists__output_resort(struct hists *hists, struct ui_progress *prog);
|
||||
void hists__output_resort_cb(struct hists *hists, struct ui_progress *prog,
|
||||
hists__resort_cb_t cb);
|
||||
int hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
|
||||
|
||||
void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
|
||||
|
|
|
|||
|
|
@ -122,11 +122,7 @@ int target__strerror(struct target *target, int errnum,
|
|||
BUG_ON(buflen == 0);
|
||||
|
||||
if (errnum >= 0) {
|
||||
const char *err = str_error_r(errnum, buf, buflen);
|
||||
|
||||
if (err != buf)
|
||||
scnprintf(buf, buflen, "%s", err);
|
||||
|
||||
str_error_r(errnum, buf, buflen);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue