diff options
author | Jiri Olsa <jolsa@kernel.org> | 2016-02-24 09:46:48 +0100 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-02-24 14:20:45 +0100 |
commit | 2c07af13dcd4d971578041b50598f1269b33e68a (patch) | |
tree | 738fae5d702c8f9ccbd647ae95b9cd5bcbc77348 /tools/perf/util/mem-events.c | |
parent | perf tools: Introduce perf_mem__lvl_scnprintf function (diff) | |
download | linux-2c07af13dcd4d971578041b50598f1269b33e68a.tar.xz linux-2c07af13dcd4d971578041b50598f1269b33e68a.zip |
perf tools: Introduce perf_mem__snp_scnprintf function
Move meminfo's snp display function into mem-events.c object, so it
could be reused later from script code.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
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/1456303616-26926-8-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/mem-events.c')
-rw-r--r-- | tools/perf/util/mem-events.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index bddb1217d129..d03edc2ec607 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -183,3 +183,37 @@ void perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info) if (miss) strncat(out, " miss", sz - l); } + +static const char * const snoop_access[] = { + "N/A", + "None", + "Miss", + "Hit", + "HitM", +}; + +void perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_info) +{ + size_t i, l = 0; + u64 m = PERF_MEM_SNOOP_NA; + + sz -= 1; /* -1 for null termination */ + out[0] = '\0'; + + if (mem_info) + m = mem_info->data_src.mem_snoop; + + for (i = 0; m && i < ARRAY_SIZE(snoop_access); i++, m >>= 1) { + if (!(m & 0x1)) + continue; + if (l) { + strcat(out, " or "); + l += 4; + } + strncat(out, snoop_access[i], sz - l); + l += strlen(snoop_access[i]); + } + + if (*out == '\0') + strcpy(out, "N/A"); +} |