diff options
Diffstat (limited to 'tools/perf/builtin-inject.c')
| -rw-r--r-- | tools/perf/builtin-inject.c | 53 |
1 files changed, 34 insertions, 19 deletions
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index cc905f1..7c7a7ee 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -53,25 +53,6 @@ static int output_bytes(struct perf_inject *inject, void *buf, size_t sz) return 0; } -static int copy_bytes(struct perf_inject *inject, int fd, off_t size) -{ - char buf[4096]; - ssize_t ssz; - int ret; - - while (size > 0) { - ssz = read(fd, buf, min(size, (off_t)sizeof(buf))); - if (ssz < 0) - return -errno; - ret = output_bytes(inject, buf, ssz); - if (ret) - return ret; - size -= ssz; - } - - return 0; -} - static int perf_event__repipe_synth(struct perf_tool *tool, union perf_event *event) { @@ -114,6 +95,27 @@ static int perf_event__repipe_attr(struct perf_tool *tool, return perf_event__repipe_synth(tool, event); } +#ifdef HAVE_AUXTRACE_SUPPORT + +static int copy_bytes(struct perf_inject *inject, int fd, off_t size) +{ + char buf[4096]; + ssize_t ssz; + int ret; + + while (size > 0) { + ssz = read(fd, buf, min(size, (off_t)sizeof(buf))); + if (ssz < 0) + return -errno; + ret = output_bytes(inject, buf, ssz); + if (ret) + return ret; + size -= ssz; + } + + return 0; +} + static s64 perf_event__repipe_auxtrace(struct perf_tool *tool, union perf_event *event, struct perf_session *session @@ -153,6 +155,19 @@ static s64 perf_event__repipe_auxtrace(struct perf_tool *tool, return event->auxtrace.size; } +#else + +static s64 +perf_event__repipe_auxtrace(struct perf_tool *tool __maybe_unused, + union perf_event *event __maybe_unused, + struct perf_session *session __maybe_unused) +{ + pr_err("AUX area tracing not supported\n"); + return -EINVAL; +} + +#endif + static int perf_event__repipe(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __maybe_unused, |