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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>
This commit is contained in:
Arnaldo Carvalho de Melo 2013-12-18 15:37:41 -03:00
parent bf19b82e7c
commit b66d8c0caa
3 changed files with 39 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
tools/perf/builtin-report.c
View File

@ -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

13
tools/perf/builtin-top.c
View File

@ -189,14 +189,6 @@ static void perf_top__record_precise_ip(struct perf_top *top,
if (pthread_mutex_trylock(&notes->lock))
return;
if (notes->src == NULL && symbol__alloc_hist(sym) < 0) {
pthread_mutex_unlock(&notes->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)

26
tools/perf/util/annotate.c
View File

@ -464,17 +464,12 @@ void symbol__annotate_zero_histograms(struct symbol *sym)
pthread_mutex_unlock(&notes->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);