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perf script: Display data_src values 

Adding support to display data_src values, for events with data_src data
in sample.

Example:
  $ perf script
  ...
           rcuos/3    32 [002] ... 68501042 Local RAM hit|SNP None or Hit|TLB L1 or L2 hit|LCK No   ...
           rcuos/3    32 [002] ... 68100142 L1 hit|SNP None|TLB L1 or L2 hit|LCK No                 ...
           swapper     0 [002] ... 68100242 LFB hit|SNP None|TLB L1 or L2 hit|LCK No                ...
           swapper     0 [000] ... 68100142 L1 hit|SNP None|TLB L1 or L2 hit|LCK No                 ...
           swapper     0 [000] ... 50100142 L1 hit|SNP None|TLB L2 miss|LCK No                      ...
           rcuos/3    32 [002] ... 68100142 L1 hit|SNP None|TLB L1 or L2 hit|LCK No                 ...
   plugin-containe 16538 [000] ... 6a100142 L1 hit|SNP None|TLB L1 or L2 hit|LCK Yes                ...
           gkrellm  1736 [000] ... 68100242 LFB hit|SNP None|TLB L1 or L2 hit|LCK No                ...
           gkrellm  1736 [000] ... 6a100142 L1 hit|SNP None|TLB L1 or L2 hit|LCK Yes                ...

                                   ^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                             data_src value                     data_src translation

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1456303616-26926-14-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hifive-unleashed-5.1
Jiri Olsa 2016-02-24 09:46:54 +01:00 committed by Arnaldo Carvalho de Melo
parent 8b0819c8a3
commit c19ac91245
3 changed files with 36 additions and 1 deletions
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20
tools/perf/builtin-script.c
View File

@ -23,6 +23,7 @@
#include "util/stat.h"
#include <linux/bitmap.h>
#include "asm/bug.h"
#include "util/mem-events.h"
static char const *script_name;
static char const *generate_script_lang;
@ -649,6 +650,23 @@ static int perf_evlist__max_name_len(struct perf_evlist *evlist)
return max;
}
static size_t data_src__printf(u64 data_src)
{
struct mem_info mi = { .data_src.val = data_src };
char decode[100];
char out[100];
static int maxlen;
int len;
perf_script__meminfo_scnprintf(decode, 100, &mi);
len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
if (maxlen < len)
maxlen = len;
return printf("%-*s", maxlen, out);
}
static void process_event(struct perf_script *script, union perf_event *event,
struct perf_sample *sample, struct perf_evsel *evsel,
struct addr_location *al)
@ -689,7 +707,7 @@ static void process_event(struct perf_script *script, union perf_event *event,
print_sample_addr(event, sample, thread, attr);
if (PRINT_FIELD(DATA_SRC))
printf("%16" PRIx64, sample->data_src);
data_src__printf(sample->data_src);
if (PRINT_FIELD(WEIGHT))
printf("%16" PRIu64, sample->weight);

15
tools/perf/util/mem-events.c
View File

@ -238,3 +238,18 @@ int perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info)
return l;
}
int perf_script__meminfo_scnprintf(char *out, size_t sz, struct mem_info *mem_info)
{
int i = 0;
i += perf_mem__lvl_scnprintf(out, sz, mem_info);
i += scnprintf(out + i, sz - i, "|SNP ");
i += perf_mem__snp_scnprintf(out + i, sz - i, mem_info);
i += scnprintf(out + i, sz - i, "|TLB ");
i += perf_mem__tlb_scnprintf(out + i, sz - i, mem_info);
i += scnprintf(out + i, sz - i, "|LCK ");
i += perf_mem__lck_scnprintf(out + i, sz - i, mem_info);
return i;
}

2
tools/perf/util/mem-events.h
View File

@ -30,4 +30,6 @@ int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
int perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
int perf_mem__lck_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
int perf_script__meminfo_scnprintf(char *bf, size_t size, struct mem_info *mem_info);
#endif /* __PERF_MEM_EVENTS_H */