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Subject[PATCH 07/44] perf annotate: Move compute_ipc() to annotation library
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

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>
---
tools/perf/ui/browsers/annotate.c | 69 +--------------------------------------
tools/perf/util/annotate.c | 60 ++++++++++++++++++++++++++++++++++
tools/perf/util/annotate.h | 2 ++
3 files changed, 63 insertions(+), 68 deletions(-)

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index e89b68612408..353edff3fdbb 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -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);
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 535357c6ce02..d737c33c87d0 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -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)
{
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index d2c3436830a9..21fa5d7cd9e0 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -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) +
--
2.14.3
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