perf: add perf-inject builtin

[safe/jmp/linux-2.6] / tools / perf / util / header.c

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 2d1d97e..79da0e5 100644 (file)
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -713,10 +713,18 @@ static int __event_process_build_id(struct build_id_event *bev,
 
        dso = __dsos__findnew(head, filename);
        if (dso != NULL) {
+               char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+
                dso__set_build_id(dso, &bev->build_id);
-                       if (filename[0] == '[')
-                               dso->kernel = dso_type;
-               }
+
+               if (filename[0] == '[')
+                       dso->kernel = dso_type;
+
+               build_id__sprintf(dso->build_id, sizeof(dso->build_id),
+                                 sbuild_id);
+               pr_debug("build id event received for %s: %s\n",
+                        dso->long_name, sbuild_id);
+       }
 
        err = 0;
 out:
@@ -767,7 +775,7 @@ static int perf_file_section__process(struct perf_file_section *self,
 
        switch (feat) {
        case HEADER_TRACE_INFO:
-               trace_report(fd);
+               trace_report(fd, false);
                break;
 
        case HEADER_BUILD_ID:
@@ -782,12 +790,16 @@ static int perf_file_section__process(struct perf_file_section *self,
 }
 
 static int perf_file_header__read_pipe(struct perf_pipe_file_header *self,
-                                      struct perf_header *ph, int fd)
+                                      struct perf_header *ph, int fd,
+                                      bool repipe)
 {
        if (do_read(fd, self, sizeof(*self)) <= 0 ||
            memcmp(&self->magic, __perf_magic, sizeof(self->magic)))
                return -1;
 
+       if (repipe && do_write(STDOUT_FILENO, self, sizeof(*self)) < 0)
+               return -1;
+
        if (self->size != sizeof(*self)) {
                u64 size = bswap_64(self->size);
 
@@ -805,7 +817,8 @@ static int perf_header__read_pipe(struct perf_session *session, int fd)
        struct perf_header *self = &session->header;
        struct perf_pipe_file_header f_header;
 
-       if (perf_file_header__read_pipe(&f_header, self, fd) < 0) {
+       if (perf_file_header__read_pipe(&f_header, self, fd,
+                                       session->repipe) < 0) {
                pr_debug("incompatible file format\n");
                return -EINVAL;
        }
@@ -1096,12 +1109,17 @@ int event__process_tracing_data(event_t *self,
        lseek(session->fd, offset + sizeof(struct tracing_data_event),
              SEEK_SET);
 
-       size_read = trace_report(session->fd);
+       size_read = trace_report(session->fd, session->repipe);
 
        padding = ALIGN(size_read, sizeof(u64)) - size_read;
 
        if (read(session->fd, buf, padding) < 0)
                die("reading input file");
+       if (session->repipe) {
+               int retw = write(STDOUT_FILENO, buf, padding);
+               if (retw <= 0 || retw != padding)
+                       die("repiping tracing data padding");
+       }
 
        if (size_read + padding != size)
                die("tracing data size mismatch");
@@ -1110,7 +1128,8 @@ int event__process_tracing_data(event_t *self,
 }
 
 int event__synthesize_build_id(struct dso *pos, u16 misc,
-                              event__handler_t process, struct machine *machine,
+                              event__handler_t process,
+                              struct machine *machine,
                               struct perf_session *session)
 {
        event_t ev;