Some corner cases fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iQIcBAABAgAGBQJPYL03AAoJENZQFvNTUqpA//0QALnPrkug1CwkqFElFiyRNBuP p/LoWmrrrNsGZymzckfNo1Lkqp0IQgm70Q2MkPBPTQTK+B/b6bG1+kqGlGX5vrim mtroZeABU0+65XvKwc+S+8PxbzsuUWNTPXYLJTirzliCmpmtS1EgLIFtoWb/Pu7c oiE1sd0DTv08bj9VhJ9wgPuP6+BSeZIXK2CvunWnrKBEuUyN1xL8mHLdkogc4qTu oSohBfRF8NywUsD6MtTnY7Hmaai6Da/1pB/uOPP1pFuTdHLLrYh9ZRqw8DjGeQLT KFB2QaDVfIQGTnUPvjQccnlKHcvilMizmNAUUxnrCh5DZrniTBBGHB0OfTfopUTN f2vFmOvaf3Hnkn1NGBqndsSmw+HRkKqKRUdphZeQSTszwt0CWFiQSmFr8NU6KSvz 91z+WhEEqFnLE+BDkFlnrLClaki5ad24H5IGCzyCYL1Y1SXb9AyIVaNVFRwxhz+G PcztCUmEIYSOe0EqPJhWiXkJBC4ZP5BHZPUC6uuwFA/YAZSELmbmubgqRuerEfhU Uk7pDKWdqzrbElmvTCX7JNyVO951WerWVd2L77vpkzHBZfR7hG5DXDLobaq9lk9u v3FQEneekfJwuvwVDdp6/ZFwdiFYxDQG2/+7N/MxWXuUmm67GTKUNQxXR4GLk2aS Tu8hLmQXIfV+r95rsADS =TIJq -----END PGP SIGNATURE----- Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Some corner case fixes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
commit
89c5bd08df
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@ -249,6 +249,8 @@ LIB_H += util/include/asm/uaccess.h
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LIB_H += util/include/dwarf-regs.h
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LIB_H += util/include/asm/dwarf2.h
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LIB_H += util/include/asm/cpufeature.h
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LIB_H += util/include/asm/unistd_32.h
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LIB_H += util/include/asm/unistd_64.h
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LIB_H += perf.h
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LIB_H += util/annotate.h
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LIB_H += util/cache.h
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@ -25,7 +25,7 @@ get_cpuid(char *buffer, size_t sz)
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pvr = mfspr(SPRN_PVR);
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nb = snprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));
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nb = scnprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));
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/* look for end marker to ensure the entire data fit */
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if (strchr(buffer, '$')) {
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@ -48,7 +48,7 @@ get_cpuid(char *buffer, size_t sz)
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if (family >= 0x6)
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model += ((a >> 16) & 0xf) << 4;
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}
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nb = snprintf(buffer, sz, "%s,%u,%u,%u$", vendor, family, model, step);
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nb = scnprintf(buffer, sz, "%s,%u,%u,%u$", vendor, family, model, step);
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/* look for end marker to ensure the entire data fit */
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if (strchr(buffer, '$')) {
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@ -10,6 +10,9 @@ void get_term_dimensions(struct winsize *ws);
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#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
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#define cpu_relax() asm volatile("rep; nop" ::: "memory");
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#define CPUINFO_PROC "model name"
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#ifndef __NR_perf_event_open
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# define __NR_perf_event_open 336
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#endif
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#endif
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#if defined(__x86_64__)
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@ -17,6 +20,9 @@ void get_term_dimensions(struct winsize *ws);
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#define rmb() asm volatile("lfence" ::: "memory")
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#define cpu_relax() asm volatile("rep; nop" ::: "memory");
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#define CPUINFO_PROC "model name"
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#ifndef __NR_perf_event_open
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# define __NR_perf_event_open 298
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#endif
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#endif
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#ifdef __powerpc__
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@ -1,3 +1,4 @@
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#include <linux/kernel.h>
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#include "cache.h"
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#include "color.h"
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@ -182,12 +183,12 @@ static int __color_vsnprintf(char *bf, size_t size, const char *color,
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}
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if (perf_use_color_default && *color)
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r += snprintf(bf, size, "%s", color);
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r += vsnprintf(bf + r, size - r, fmt, args);
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r += scnprintf(bf, size, "%s", color);
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r += vscnprintf(bf + r, size - r, fmt, args);
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if (perf_use_color_default && *color)
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r += snprintf(bf + r, size - r, "%s", PERF_COLOR_RESET);
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r += scnprintf(bf + r, size - r, "%s", PERF_COLOR_RESET);
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if (trail)
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r += snprintf(bf + r, size - r, "%s", trail);
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r += scnprintf(bf + r, size - r, "%s", trail);
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return r;
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}
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@ -280,7 +280,7 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
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if (realname == NULL || filename == NULL || linkname == NULL)
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goto out_free;
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len = snprintf(filename, size, "%s%s%s",
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len = scnprintf(filename, size, "%s%s%s",
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debugdir, is_kallsyms ? "/" : "", realname);
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if (mkdir_p(filename, 0755))
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goto out_free;
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@ -295,7 +295,7 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
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goto out_free;
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}
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len = snprintf(linkname, size, "%s/.build-id/%.2s",
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len = scnprintf(linkname, size, "%s/.build-id/%.2s",
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debugdir, sbuild_id);
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if (access(linkname, X_OK) && mkdir_p(linkname, 0755))
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@ -768,7 +768,7 @@ static int hist_entry__pcnt_snprintf(struct hist_entry *he, char *s,
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sep ? "%.2f" : " %6.2f%%",
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(period * 100.0) / total);
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else
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ret = snprintf(s, size, sep ? "%.2f" : " %6.2f%%",
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ret = scnprintf(s, size, sep ? "%.2f" : " %6.2f%%",
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(period * 100.0) / total);
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if (symbol_conf.show_cpu_utilization) {
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ret += percent_color_snprintf(s + ret, size - ret,
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@ -791,20 +791,20 @@ static int hist_entry__pcnt_snprintf(struct hist_entry *he, char *s,
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}
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}
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} else
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ret = snprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
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ret = scnprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
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if (symbol_conf.show_nr_samples) {
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if (sep)
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ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
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ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
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else
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ret += snprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
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ret += scnprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
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}
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if (symbol_conf.show_total_period) {
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if (sep)
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ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
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ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
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else
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ret += snprintf(s + ret, size - ret, " %12" PRIu64, period);
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ret += scnprintf(s + ret, size - ret, " %12" PRIu64, period);
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}
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if (pair_hists) {
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diff = new_percent - old_percent;
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if (fabs(diff) >= 0.01)
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snprintf(bf, sizeof(bf), "%+4.2F%%", diff);
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ret += scnprintf(bf, sizeof(bf), "%+4.2F%%", diff);
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else
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snprintf(bf, sizeof(bf), " ");
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ret += scnprintf(bf, sizeof(bf), " ");
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if (sep)
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ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
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ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
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else
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ret += snprintf(s + ret, size - ret, "%11.11s", bf);
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ret += scnprintf(s + ret, size - ret, "%11.11s", bf);
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if (show_displacement) {
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if (displacement)
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snprintf(bf, sizeof(bf), "%+4ld", displacement);
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ret += scnprintf(bf, sizeof(bf), "%+4ld", displacement);
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else
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snprintf(bf, sizeof(bf), " ");
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ret += scnprintf(bf, sizeof(bf), " ");
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if (sep)
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ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
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ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
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else
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ret += snprintf(s + ret, size - ret, "%6.6s", bf);
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ret += scnprintf(s + ret, size - ret, "%6.6s", bf);
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}
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}
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if (se->elide)
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continue;
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ret += snprintf(s + ret, size - ret, "%s", sep ?: " ");
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ret += scnprintf(s + ret, size - ret, "%s", sep ?: " ");
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ret += se->se_snprintf(he, s + ret, size - ret,
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hists__col_len(hists, se->se_width_idx));
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}
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1
tools/perf/util/include/asm/unistd_32.h
Normal file
1
tools/perf/util/include/asm/unistd_32.h
Normal file
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@ -0,0 +1 @@
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1
tools/perf/util/include/asm/unistd_64.h
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1
tools/perf/util/include/asm/unistd_64.h
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@ -0,0 +1 @@
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@ -33,6 +33,9 @@ static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
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}
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}
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va_end(ap);
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if (n >= (int)size)
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return size - 1;
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return n;
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}
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@ -1,4 +1,5 @@
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#include "cache.h"
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#include <linux/kernel.h>
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int prefixcmp(const char *str, const char *prefix)
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{
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@ -89,14 +90,14 @@ void strbuf_addf(struct strbuf *sb, const char *fmt, ...)
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if (!strbuf_avail(sb))
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strbuf_grow(sb, 64);
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va_start(ap, fmt);
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len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
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len = vscnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
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va_end(ap);
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if (len < 0)
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die("your vsnprintf is broken");
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die("your vscnprintf is broken");
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if (len > strbuf_avail(sb)) {
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strbuf_grow(sb, len);
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va_start(ap, fmt);
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len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
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len = vscnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
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va_end(ap);
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if (len > strbuf_avail(sb)) {
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die("this should not happen, your snprintf is broken");
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@ -837,15 +837,15 @@ static int hists__browser_title(struct hists *self, char *bf, size_t size,
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unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE];
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nr_events = convert_unit(nr_events, &unit);
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printed = snprintf(bf, size, "Events: %lu%c %s", nr_events, unit, ev_name);
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printed = scnprintf(bf, size, "Events: %lu%c %s", nr_events, unit, ev_name);
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if (thread)
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printed += snprintf(bf + printed, size - printed,
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printed += scnprintf(bf + printed, size - printed,
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", Thread: %s(%d)",
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(thread->comm_set ? thread->comm : ""),
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thread->pid);
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if (dso)
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printed += snprintf(bf + printed, size - printed,
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printed += scnprintf(bf + printed, size - printed,
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", DSO: %s", dso->short_name);
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return printed;
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}
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HE_COLORSET_NORMAL);
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nr_events = convert_unit(nr_events, &unit);
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printed = snprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events,
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printed = scnprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events,
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unit, unit == ' ' ? "" : " ", ev_name);
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slsmg_printf("%s", bf);
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@ -1105,8 +1105,8 @@ static void perf_evsel_menu__write(struct ui_browser *browser,
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if (!current_entry)
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ui_browser__set_color(browser, HE_COLORSET_TOP);
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nr_events = convert_unit(nr_events, &unit);
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snprintf(bf, sizeof(bf), ": %ld%c%schunks LOST!", nr_events,
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unit, unit == ' ' ? "" : " ");
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printed += scnprintf(bf, sizeof(bf), ": %ld%c%schunks LOST!",
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nr_events, unit, unit == ' ' ? "" : " ");
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warn = bf;
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}
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@ -64,7 +64,7 @@ int ui_helpline__show_help(const char *format, va_list ap)
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static int backlog;
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pthread_mutex_lock(&ui__lock);
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ret = vsnprintf(ui_helpline__last_msg + backlog,
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ret = vscnprintf(ui_helpline__last_msg + backlog,
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sizeof(ui_helpline__last_msg) - backlog, format, ap);
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backlog += ret;
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