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perf annotate: Move compute_ipc() to annotation library 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
tools/perf/ui/browsers/annotate.c
View File

@ -967,73 +967,6 @@ int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
return map_symbol__tui_annotate(&he->ms, evsel, hbt);
}
static unsigned 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 count_and_fill(struct annotation *notes, u64 start, u64 end,
struct cyc_hist *ch)
{
unsigned n_insn;
u64 offset;
n_insn = 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;
}
}
}
/*
* This should probably be in util/annotate.c to share with the tty
* annotate, but right now we need the per byte offsets arrays,
* which are only here.
*/
static void annotate__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)
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);
}
static void annotate_browser__mark_jump_targets(struct annotate_browser *browser,
size_t size)
{
@ -1161,7 +1094,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map,
}
annotate_browser__mark_jump_targets(&browser, size);
annotate__compute_ipc(notes, size);
annotation__compute_ipc(notes, size);
browser.addr_width = browser.target_width = browser.min_addr_width = hex_width(size);
browser.max_addr_width = hex_width(sym->end);

60
tools/perf/util/annotate.c
View File

@ -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)
{

2
tools/perf/util/annotate.h
View File

@ -174,6 +174,8 @@ static inline int annotation__cycles_width(struct annotation *notes)
return notes->have_cycles ? ANNOTATION__IPC_WIDTH + ANNOTATION__CYCLES_WIDTH : 0;
}
void annotation__compute_ipc(struct annotation *notes, size_t size);
static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
{
return (((void *)&notes->src->histograms) +