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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-10-17 10:35:00 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-10-23 16:30:52 -0300 |
| commit | 923d0c9ae570c3f33a0b5a9517c23ccc816d9b75 (patch) | |
| tree | f04db4f73f7c6b87f8ecfdbd718a57ceb7d15c58 /tools/perf/builtin-trace.c | |
| parent | perf vendor events: Fix incorrect cmask syntax for some Intel metrics (diff) | |
| download | wireguard-linux-923d0c9ae570c3f33a0b5a9517c23ccc816d9b75.tar.xz wireguard-linux-923d0c9ae570c3f33a0b5a9517c23ccc816d9b75.zip | |
perf tools: Introduce binary__fprintf()
Out of print_binary() but receiving a fp pointer and expecting that the
printer be a fprintf like function, i.e. receive a FILE pointer and
return the number of characters printed.
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>
Cc: yuzhoujian <yuzhoujian@didichuxing.com>
Link: http://lkml.kernel.org/n/tip-6oqnxr6lmgqe6q6p3iugnscx@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index afef6fe46c45..8b23982dd9f2 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1828,16 +1828,14 @@ out_dump: goto out_put; } -static void bpf_output__printer(enum binary_printer_ops op, - unsigned int val, void *extra) +static int bpf_output__printer(enum binary_printer_ops op, + unsigned int val, void *extra __maybe_unused, FILE *fp) { - FILE *output = extra; unsigned char ch = (unsigned char)val; switch (op) { case BINARY_PRINT_CHAR_DATA: - fprintf(output, "%c", isprint(ch) ? ch : '.'); - break; + return fprintf(fp, "%c", isprint(ch) ? ch : '.'); case BINARY_PRINT_DATA_BEGIN: case BINARY_PRINT_LINE_BEGIN: case BINARY_PRINT_ADDR: @@ -1850,13 +1848,15 @@ static void bpf_output__printer(enum binary_printer_ops op, default: break; } + + return 0; } static void bpf_output__fprintf(struct trace *trace, struct perf_sample *sample) { - print_binary(sample->raw_data, sample->raw_size, 8, - bpf_output__printer, trace->output); + binary__fprintf(sample->raw_data, sample->raw_size, 8, + bpf_output__printer, NULL, trace->output); } static int trace__event_handler(struct trace *trace, struct perf_evsel *evsel, |