diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-12-18 15:37:41 -0300 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-12-19 11:33:51 -0300 |
commit | b66d8c0caa8f7925ae75fed243b0482a901f21e1 (patch) | |
tree | c16e7257c612d54a6ff7af9c29ef627884d984a1 /tools/perf | |
parent | bf19b82e7cf033319525a9eab12216b59c41c519 (diff) | |
download | op-kernel-dev-b66d8c0caa8f7925ae75fed243b0482a901f21e1.zip op-kernel-dev-b66d8c0caa8f7925ae75fed243b0482a901f21e1.tar.gz |
perf annotate: Auto allocate symbol per addr hist buckets
Instead of open coding it in multiple places in 'report' and 'top'.
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-ay1ushp57qsva9aw59rha5ve@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/builtin-report.c | 59 | ||||
-rw-r--r-- | tools/perf/builtin-top.c | 13 | ||||
-rw-r--r-- | tools/perf/util/annotate.c | 26 |
3 files changed, 40 insertions, 58 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 3a14dbe..b75fc36 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -140,22 +140,11 @@ static int perf_report__add_mem_hist_entry(struct perf_tool *tool, goto out; } - if (sort__has_sym && he->mem_info->daddr.sym && use_browser > 0) { - struct annotation *notes; - - mx = he->mem_info; - - notes = symbol__annotation(mx->daddr.sym); - if (notes->src == NULL && symbol__alloc_hist(mx->daddr.sym) < 0) - goto out; - - err = symbol__inc_addr_samples(mx->daddr.sym, - mx->daddr.map, - evsel->idx, - mx->daddr.al_addr); - if (err) - goto out; - } + mx = he->mem_info; + err = symbol__inc_addr_samples(mx->daddr.sym, mx->daddr.map, + evsel->idx, mx->daddr.al_addr); + if (err) + goto out; evsel->hists.stats.total_period += cost; hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); @@ -214,35 +203,19 @@ static int perf_report__add_branch_hist_entry(struct perf_tool *tool, he = __hists__add_entry(&evsel->hists, al, parent, &bi[i], NULL, 1, 1, 0); if (he) { - struct annotation *notes; bx = he->branch_info; - if (bx->from.sym && use_browser == 1 && sort__has_sym) { - notes = symbol__annotation(bx->from.sym); - if (!notes->src - && symbol__alloc_hist(bx->from.sym) < 0) - goto out; - - err = symbol__inc_addr_samples(bx->from.sym, - bx->from.map, - evsel->idx, - bx->from.al_addr); - if (err) - goto out; - } + err = symbol__inc_addr_samples(bx->from.sym, + bx->from.map, evsel->idx, + bx->from.al_addr); + if (err) + goto out; + + err = symbol__inc_addr_samples(bx->to.sym, + bx->to.map, evsel->idx, + bx->to.al_addr); + if (err) + goto out; - if (bx->to.sym && use_browser == 1 && sort__has_sym) { - notes = symbol__annotation(bx->to.sym); - if (!notes->src - && symbol__alloc_hist(bx->to.sym) < 0) - goto out; - - err = symbol__inc_addr_samples(bx->to.sym, - bx->to.map, - evsel->idx, - bx->to.al_addr); - if (err) - goto out; - } evsel->hists.stats.total_period += 1; hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); } else diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 03d37a7..73df9c0 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -189,14 +189,6 @@ static void perf_top__record_precise_ip(struct perf_top *top, if (pthread_mutex_trylock(¬es->lock)) return; - if (notes->src == NULL && symbol__alloc_hist(sym) < 0) { - pthread_mutex_unlock(¬es->lock); - pr_err("Not enough memory for annotating '%s' symbol!\n", - sym->name); - sleep(1); - return; - } - ip = he->ms.map->map_ip(he->ms.map, ip); err = symbol__inc_addr_samples(sym, he->ms.map, counter, ip); @@ -204,6 +196,11 @@ static void perf_top__record_precise_ip(struct perf_top *top, if (err == -ERANGE && !he->ms.map->erange_warned) ui__warn_map_erange(he->ms.map, sym, ip); + else if (err == -ENOMEM) { + pr_err("Not enough memory for annotating '%s' symbol!\n", + sym->name); + sleep(1); + } } static void perf_top__show_details(struct perf_top *top) diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 0fcd81e..93614cd 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -464,17 +464,12 @@ void symbol__annotate_zero_histograms(struct symbol *sym) pthread_mutex_unlock(¬es->lock); } -int symbol__inc_addr_samples(struct symbol *sym, struct map *map, - int evidx, u64 addr) +static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, + struct annotation *notes, int evidx, u64 addr) { unsigned offset; - struct annotation *notes; struct sym_hist *h; - notes = symbol__annotation(sym); - if (notes->src == NULL) - return -ENOMEM; - pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); if (addr < sym->start || addr > sym->end) @@ -491,6 +486,23 @@ int symbol__inc_addr_samples(struct symbol *sym, struct map *map, return 0; } +int symbol__inc_addr_samples(struct symbol *sym, struct map *map, + int evidx, u64 addr) +{ + struct annotation *notes; + + if (sym == NULL || use_browser != 1 || !sort__has_sym) + return 0; + + notes = symbol__annotation(sym); + if (notes->src == NULL) { + if (symbol__alloc_hist(sym) < 0) + return -ENOMEM; + } + + return __symbol__inc_addr_samples(sym, map, notes, evidx, addr); +} + static void disasm_line__init_ins(struct disasm_line *dl) { dl->ins = ins__find(dl->name); |