提交 071e9a1e 编写于 作者: J Jiri Olsa 提交者: Arnaldo Carvalho de Melo

perf tools: Introduce perf_mem__lvl_scnprintf function

Move meminfo's lvl display function into mem-events.c object, so it
could be reused later from script code.
Signed-off-by: NJiri 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/1456303616-26926-7-git-send-email-jolsa@kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
上级 0c877d75
master alk-4.19.24 alk-4.19.30 alk-4.19.34 alk-4.19.36 alk-4.19.43 alk-4.19.48 alk-4.19.57 ck-4.19.67 ck-4.19.81 ck-4.19.91 github/fork/deepanshu1422/fix-typo-in-comment github/fork/haosdent/fix-typo linux-next v4.19.91 v4.19.90 v4.19.89 v4.19.88 v4.19.87 v4.19.86 v4.19.85 v4.19.84 v4.19.83 v4.19.82 v4.19.81 v4.19.80 v4.19.79 v4.19.78 v4.19.77 v4.19.76 v4.19.75 v4.19.74 v4.19.73 v4.19.72 v4.19.71 v4.19.70 v4.19.69 v4.19.68 v4.19.67 v4.19.66 v4.19.65 v4.19.64 v4.19.63 v4.19.62 v4.19.61 v4.19.60 v4.19.59 v4.19.58 v4.19.57 v4.19.56 v4.19.55 v4.19.54 v4.19.53 v4.19.52 v4.19.51 v4.19.50 v4.19.49 v4.19.48 v4.19.47 v4.19.46 v4.19.45 v4.19.44 v4.19.43 v4.19.42 v4.19.41 v4.19.40 v4.19.39 v4.19.38 v4.19.37 v4.19.36 v4.19.35 v4.19.34 v4.19.33 v4.19.32 v4.19.31 v4.19.30 v4.19.29 v4.19.28 v4.19.27 v4.19.26 v4.19.25 v4.19.24 v4.19.23 v4.19.22 v4.19.21 v4.19.20 v4.19.19 v4.19.18 v4.19.17 v4.19.16 v4.19.15 v4.19.14 v4.19.13 v4.19.12 v4.19.11 v4.19.10 v4.19.9 v4.19.8 v4.19.7 v4.19.6 v4.19.5 v4.19.4 v4.19.3 v4.19.2 v4.19.1 v4.19 v4.19-rc8 v4.19-rc7 v4.19-rc6 v4.19-rc5 v4.19-rc4 v4.19-rc3 v4.19-rc2 v4.19-rc1 ck-release-21 ck-release-20 ck-release-19.2 ck-release-19.1 ck-release-19 ck-release-18 ck-release-17.2 ck-release-17.1 ck-release-17 ck-release-16 ck-release-15.1 ck-release-15 ck-release-14 ck-release-13.2 ck-release-13 ck-release-12 ck-release-11 ck-release-10 ck-release-9 ck-release-7 alk-release-15 alk-release-14 alk-release-13.2 alk-release-13 alk-release-12 alk-release-11 alk-release-10 alk-release-9 alk-release-7
......@@ -130,3 +130,56 @@ void perf_mem__tlb_scnprintf(char *out, size_t sz, struct mem_info *mem_info)
if (miss)
strncat(out, " miss", sz - l);
}
static const char * const mem_lvl[] = {
"N/A",
"HIT",
"MISS",
"L1",
"LFB",
"L2",
"L3",
"Local RAM",
"Remote RAM (1 hop)",
"Remote RAM (2 hops)",
"Remote Cache (1 hop)",
"Remote Cache (2 hops)",
"I/O",
"Uncached",
};
void perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info)
{
size_t i, l = 0;
u64 m = PERF_MEM_LVL_NA;
u64 hit, miss;
if (mem_info)
m = mem_info->data_src.mem_lvl;
sz -= 1; /* -1 for null termination */
out[0] = '\0';
hit = m & PERF_MEM_LVL_HIT;
miss = m & PERF_MEM_LVL_MISS;
/* already taken care of */
m &= ~(PERF_MEM_LVL_HIT|PERF_MEM_LVL_MISS);
for (i = 0; m && i < ARRAY_SIZE(mem_lvl); i++, m >>= 1) {
if (!(m & 0x1))
continue;
if (l) {
strcat(out, " or ");
l += 4;
}
strncat(out, mem_lvl[i], sz - l);
l += strlen(mem_lvl[i]);
}
if (*out == '\0')
strcpy(out, "N/A");
if (hit)
strncat(out, " hit", sz - l);
if (miss)
strncat(out, " miss", sz - l);
}
......@@ -26,4 +26,5 @@ char *perf_mem_events__name(int i);
struct mem_info;
void perf_mem__tlb_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
void perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info);
#endif /* __PERF_MEM_EVENTS_H */
......@@ -858,60 +858,12 @@ sort__lvl_cmp(struct hist_entry *left, struct hist_entry *right)
return (int64_t)(data_src_r.mem_lvl - data_src_l.mem_lvl);
}
static const char * const mem_lvl[] = {
"N/A",
"HIT",
"MISS",
"L1",
"LFB",
"L2",
"L3",
"Local RAM",
"Remote RAM (1 hop)",
"Remote RAM (2 hops)",
"Remote Cache (1 hop)",
"Remote Cache (2 hops)",
"I/O",
"Uncached",
};
static int hist_entry__lvl_snprintf(struct hist_entry *he, char *bf,
size_t size, unsigned int width)
{
char out[64];
size_t sz = sizeof(out) - 1; /* -1 for null termination */
size_t i, l = 0;
u64 m = PERF_MEM_LVL_NA;
u64 hit, miss;
if (he->mem_info)
m = he->mem_info->data_src.mem_lvl;
out[0] = '\0';
hit = m & PERF_MEM_LVL_HIT;
miss = m & PERF_MEM_LVL_MISS;
/* already taken care of */
m &= ~(PERF_MEM_LVL_HIT|PERF_MEM_LVL_MISS);
for (i = 0; m && i < ARRAY_SIZE(mem_lvl); i++, m >>= 1) {
if (!(m & 0x1))
continue;
if (l) {
strcat(out, " or ");
l += 4;
}
strncat(out, mem_lvl[i], sz - l);
l += strlen(mem_lvl[i]);
}
if (*out == '\0')
strcpy(out, "N/A");
if (hit)
strncat(out, " hit", sz - l);
if (miss)
strncat(out, " miss", sz - l);
perf_mem__lvl_scnprintf(out, sizeof(out), he->mem_info);
return repsep_snprintf(bf, size, "%-*s", width, out);
}
......
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