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perf script: Allow --symbol to accept hexadecimal addresses 

This patch extends the perf script --symbols option to filter on
hexadecimal addresses in addition to symbol names. This makes it easier
to handle cases where symbols are aliased.

With this patch, it is possible to mix and match symbols and hexadecimal
addresses using the --symbols option.

  $ perf script --symbols=noploop,0x4007a0

Signed-off-by: Stephane Eranian <eranian@google.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20200325220802.15039-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Stephane Eranian 2020-03-25 15:08:02 -07:00 committed by Arnaldo Carvalho de Melo
parent 376c3c22e2
commit d2bedb7863
1 changed files with 17 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
tools/perf/util/event.c
View File

@ -617,10 +617,23 @@ int machine__resolve(struct machine *machine, struct addr_location *al,
al->sym = map__find_symbol(al->map, al->addr);
}
if (symbol_conf.sym_list &&
(!al->sym || !strlist__has_entry(symbol_conf.sym_list,
al->sym->name))) {
al->filtered |= (1 << HIST_FILTER__SYMBOL);
if (symbol_conf.sym_list) {
int ret = 0;
char al_addr_str[32];
size_t sz = sizeof(al_addr_str);
if (al->sym) {
ret = strlist__has_entry(symbol_conf.sym_list,
al->sym->name);
}
if (!(ret && al->sym)) {
snprintf(al_addr_str, sz, "0x%"PRIx64,
al->map->unmap_ip(al->map, al->sym->start));
ret = strlist__has_entry(symbol_conf.sym_list,
al_addr_str);
}
if (!ret)
al->filtered |= (1 << HIST_FILTER__SYMBOL);
}
return 0;