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perf annotate: Move compute_ipc() to annotation library

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Out of the TUI code, as it has nothing specific to that UI and should be
used in the other output modes as well.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-0jahghvqdodb8vu2591pkv3d@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2018-03-15 11:46:23 -03:00
parent 9d6bb41d1c
commit f56c083bc4
3 changed files with 63 additions and 68 deletions
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60
tools/perf/util/annotate.c
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@ -833,6 +833,66 @@ int addr_map_symbol__account_cycles(struct addr_map_symbol *ams,
return err;
}
static unsigned annotation__count_insn(struct annotation *notes, u64 start, u64 end)
{
unsigned n_insn = 0;
u64 offset;
for (offset = start; offset <= end; offset++) {
if (notes->offsets[offset])
n_insn++;
}
return n_insn;
}
static void annotation__count_and_fill(struct annotation *notes, u64 start, u64 end, struct cyc_hist *ch)
{
unsigned n_insn;
u64 offset;
n_insn = annotation__count_insn(notes, start, end);
if (n_insn && ch->num && ch->cycles) {
float ipc = n_insn / ((double)ch->cycles / (double)ch->num);
/* Hide data when there are too many overlaps. */
if (ch->reset >= 0x7fff || ch->reset >= ch->num / 2)
return;
for (offset = start; offset <= end; offset++) {
struct annotation_line *al = notes->offsets[offset];
if (al)
al->ipc = ipc;
}
}
}
void annotation__compute_ipc(struct annotation *notes, size_t size)
{
u64 offset;
if (!notes->src || !notes->src->cycles_hist)
return;
pthread_mutex_lock(&notes->lock);
for (offset = 0; offset < size; ++offset) {
struct cyc_hist *ch;
ch = &notes->src->cycles_hist[offset];
if (ch && ch->cycles) {
struct annotation_line *al;
if (ch->have_start)
annotation__count_and_fill(notes, ch->start, offset, ch);
al = notes->offsets[offset];
if (al && ch->num_aggr)
al->cycles = ch->cycles_aggr / ch->num_aggr;
notes->have_cycles = true;
}
}
pthread_mutex_unlock(&notes->lock);
}
int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample,
int evidx)
{