From 19030564ab116757e3270a567fd9d5b20b411d74 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Fri, 18 Nov 2022 16:27:50 -0800 Subject: [PATCH] perf inject: Set PERF_RECORD_MISC_BUILD_ID_SIZE With perf inject -b, it synthesizes build-id event for DSOs. But it missed to set the size and resulted in having trailing zeros. As perf record sets the size in write_build_id(), let's set the size here as well. Signed-off-by: Namhyung Kim Acked-by: Adrian Hunter Cc: Ian Rogers Cc: Ingo Molnar Cc: Jiri Olsa Cc: Peter Zijlstra Link: https://lore.kernel.org/r/20221119002750.1568027-1-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/synthetic-events.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c index cccd293..0645795 100644 --- a/tools/perf/util/synthetic-events.c +++ b/tools/perf/util/synthetic-events.c @@ -2218,8 +2218,9 @@ int perf_event__synthesize_build_id(struct perf_tool *tool, struct dso *pos, u16 len = pos->long_name_len + 1; len = PERF_ALIGN(len, NAME_ALIGN); memcpy(&ev.build_id.build_id, pos->bid.data, sizeof(pos->bid.data)); + ev.build_id.size = pos->bid.size; ev.build_id.header.type = PERF_RECORD_HEADER_BUILD_ID; - ev.build_id.header.misc = misc; + ev.build_id.header.misc = misc | PERF_RECORD_MISC_BUILD_ID_SIZE; ev.build_id.pid = machine->pid; ev.build_id.header.size = sizeof(ev.build_id) + len; memcpy(&ev.build_id.filename, pos->long_name, pos->long_name_len); -- 2.7.4