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perf evsel: Introduce fprintf_callchain() method out of fprintf_sym()

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In 'perf trace' we're just interested in printing callchains, and we
don't want to use the symbol_conf.use_callchain, so move the callchain
part to a new method.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-kcn3romzivcpxb3u75s9nz33@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2016-04-11 12:15:48 -03:00
parent ff0c107806
commit ea4539652e
3 changed files with 32 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
tools/perf/builtin-trace.c
View file

@ -2203,8 +2203,8 @@ static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel,
event->header.type);
goto out_put;
}
perf_evsel__fprintf_sym(evsel, sample, &al, 38, print_opts,
scripting_max_stack, trace->output);
perf_evsel__fprintf_callchain(evsel, sample, &al, 38, print_opts,
scripting_max_stack, trace->output);
}
out:
ttrace->entry_pending = false;

6
tools/perf/util/evsel.h
View file

@ -381,6 +381,12 @@ struct perf_attr_details {
int perf_evsel__fprintf(struct perf_evsel *evsel,
struct perf_attr_details *details, FILE *fp);
int perf_evsel__fprintf_callchain(struct perf_evsel *evsel,
struct perf_sample *sample,
struct addr_location *al, int left_alignment,
unsigned int print_opts,
unsigned int stack_depth, FILE *fp);
bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
char *msg, size_t msgsize);
int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,

29
tools/perf/util/session.c
View file

@ -1953,10 +1953,10 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
return NULL;
}
int perf_evsel__fprintf_sym(struct perf_evsel *evsel, struct perf_sample *sample,
struct addr_location *al, int left_alignment,
unsigned int print_opts, unsigned int stack_depth,
FILE *fp)
int perf_evsel__fprintf_callchain(struct perf_evsel *evsel, struct perf_sample *sample,
struct addr_location *al, int left_alignment,
unsigned int print_opts, unsigned int stack_depth,
FILE *fp)
{
int printed = 0;
struct callchain_cursor_node *node;
@ -1968,7 +1968,7 @@ int perf_evsel__fprintf_sym(struct perf_evsel *evsel, struct perf_sample *sample
int print_srcline = print_opts & PRINT_IP_OPT_SRCLINE;
char s = print_oneline ? ' ' : '\t';
if (symbol_conf.use_callchain && sample->callchain) {
if (sample->callchain) {
struct addr_location node_al;
if (thread__resolve_callchain(al->thread, evsel,
@ -2027,7 +2027,26 @@ int perf_evsel__fprintf_sym(struct perf_evsel *evsel, struct perf_sample *sample
next:
callchain_cursor_advance(&callchain_cursor);
}
}
return printed;
}
int perf_evsel__fprintf_sym(struct perf_evsel *evsel, struct perf_sample *sample,
struct addr_location *al, int left_alignment,
unsigned int print_opts, unsigned int stack_depth,
FILE *fp)
{
int printed = 0;
int print_ip = print_opts & PRINT_IP_OPT_IP;
int print_sym = print_opts & PRINT_IP_OPT_SYM;
int print_dso = print_opts & PRINT_IP_OPT_DSO;
int print_symoffset = print_opts & PRINT_IP_OPT_SYMOFFSET;
int print_srcline = print_opts & PRINT_IP_OPT_SRCLINE;
if (symbol_conf.use_callchain && sample->callchain) {
printed += perf_evsel__fprintf_callchain(evsel, sample, al, left_alignment,
print_opts, stack_depth, fp);
} else if (!(al->sym && al->sym->ignore)) {
printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");