From 246eba8e9041c4774738645c72b6efac7601db22 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 12 May 2020 15:19:18 +0300 Subject: perf tools: Add support for PERF_RECORD_TEXT_POKE Add processing for PERF_RECORD_TEXT_POKE events. When a text poke event is processed, then the kernel dso data cache is updated with the poked bytes. Signed-off-by: Adrian Hunter Cc: Alexander Shishkin Cc: Borislav Petkov Cc: H. Peter Anvin Cc: Jiri Olsa Cc: Leo Yan Cc: Mark Rutland Cc: Masami Hiramatsu Cc: Mathieu Poirier Cc: Peter Zijlstra Cc: Steven Rostedt (VMware) Cc: x86@kernel.org Link: http://lore.kernel.org/lkml/20200512121922.8997-12-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/lib/perf/include/perf/event.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'tools/lib/perf/include/perf/event.h') diff --git a/tools/lib/perf/include/perf/event.h b/tools/lib/perf/include/perf/event.h index 69b44d2cc0f5..842028858d66 100644 --- a/tools/lib/perf/include/perf/event.h +++ b/tools/lib/perf/include/perf/event.h @@ -111,6 +111,14 @@ struct perf_record_cgroup { char path[PATH_MAX]; }; +struct perf_record_text_poke_event { + struct perf_event_header header; + __u64 addr; + __u16 old_len; + __u16 new_len; + __u8 bytes[]; +}; + struct perf_record_sample { struct perf_event_header header; __u64 array[]; @@ -367,6 +375,7 @@ union perf_event { struct perf_record_sample sample; struct perf_record_bpf_event bpf; struct perf_record_ksymbol ksymbol; + struct perf_record_text_poke_event text_poke; struct perf_record_header_attr attr; struct perf_record_event_update event_update; struct perf_record_header_event_type event_type; -- cgit v1.2.3-59-g8ed1b