diff options
| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-05-24 17:17:05 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-06-04 10:28:51 -0300 |
| commit | c6b635eece599ae13ffce081bac1fde94912df33 (patch) | |
| tree | 211ca7785c01fbf112e4ea52215b64444fb83ab5 /tools/perf/util/annotate.c | |
| parent | perf annotate: Introduce symbol__hists() (diff) | |
| download | linux-dev-c6b635eece599ae13ffce081bac1fde94912df33.tar.xz linux-dev-c6b635eece599ae13ffce081bac1fde94912df33.zip | |
perf annotate: Introduce symbol__cycle_hists()
In this case we're wanting just notes->src->cycles_hist, allocating it if needed.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.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-pqj81aneunhftlntm66tmhz0@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/annotate.c')
| -rw-r--r-- | tools/perf/util/annotate.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 467bae0279ce..f11199f0be27 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -848,19 +848,23 @@ static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, return 0; } -static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles) +static struct cyc_hist *symbol__cycles_hist(struct symbol *sym) { struct annotation *notes = symbol__annotation(sym); if (notes->src == NULL) { - if (symbol__alloc_hist(sym) < 0) + notes->src = annotated_source__new(); + if (notes->src == NULL) return NULL; + goto alloc_cycles_hist; } - if (!notes->src->cycles_hist && cycles) { - if (symbol__alloc_hist_cycles(sym) < 0) - return NULL; + + if (!notes->src->cycles_hist) { +alloc_cycles_hist: + symbol__alloc_hist_cycles(sym); } - return notes; + + return notes->src->cycles_hist; } static struct annotated_source *symbol__hists(struct symbol *sym) @@ -900,13 +904,13 @@ static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, static int symbol__account_cycles(u64 addr, u64 start, struct symbol *sym, unsigned cycles) { - struct annotation *notes; + struct cyc_hist *cycles_hist; unsigned offset; if (sym == NULL) return 0; - notes = symbol__get_annotation(sym, true); - if (notes == NULL) + cycles_hist = symbol__cycles_hist(sym); + if (cycles_hist == NULL) return -ENOMEM; if (addr < sym->start || addr >= sym->end) return -ERANGE; @@ -918,7 +922,7 @@ static int symbol__account_cycles(u64 addr, u64 start, start = 0; } offset = addr - sym->start; - return __symbol__account_cycles(notes->src->cycles_hist, + return __symbol__account_cycles(cycles_hist, start ? start - sym->start : 0, offset, cycles, !!start); |