diff options
Diffstat (limited to 'tools/perf/util/trace-event-read.c')
| -rw-r--r-- | tools/perf/util/trace-event-read.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c index fa45fca2a2d3..f2112270c663 100644 --- a/tools/perf/util/trace-event-read.c +++ b/tools/perf/util/trace-event-read.c @@ -212,6 +212,7 @@ static int read_ftrace_printk(struct pevent *pevent) static int read_header_files(struct pevent *pevent) { unsigned long long size; + char *header_page; char buf[BUFSIZ]; int ret = 0; @@ -224,7 +225,26 @@ static int read_header_files(struct pevent *pevent) } size = read8(pevent); - skip(size); + + header_page = malloc(size); + if (header_page == NULL) + return -1; + + if (do_read(header_page, size) < 0) { + pr_debug("did not read header page"); + free(header_page); + return -1; + } + + if (!pevent_parse_header_page(pevent, header_page, size, + pevent_get_long_size(pevent))) { + /* + * The commit field in the page is of type long, + * use that instead, since it represents the kernel. + */ + pevent_set_long_size(pevent, pevent->header_page_size_size); + } + free(header_page); if (do_read(buf, 13) < 0) return -1; |