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authorAdrian Hunter <adrian.hunter@intel.com>2018-05-22 12:54:37 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-05-23 15:26:39 +0200
commita8ce99b0ee9ad32debad0a9f28d21451ba237cc1 (patch)
treeabf59e29e80959c9620ea8ecf88097fc59333375 /tools/perf/util/event.h
parentperf machine: Create maps for x86 PTI entry trampolines (diff)
downloadlinux-a8ce99b0ee9ad32debad0a9f28d21451ba237cc1.tar.xz
linux-a8ce99b0ee9ad32debad0a9f28d21451ba237cc1.zip
perf machine: Synthesize and process mmap events for x86 PTI entry trampolines
Like the kernel text, the location of x86 PTI entry trampolines must be recorded in the perf.data file. Like the kernel, synthesize a mmap event for that, and add processing for it. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86@kernel.org Link: http://lkml.kernel.org/r/1526986485-6562-10-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/event.h')
-rw-r--r--tools/perf/util/event.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 0f794744919c..bfa60bcafbde 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -750,6 +750,10 @@ int perf_event__process_exit(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine);
+int perf_tool__process_synth_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct machine *machine,
+ perf_event__handler_t process);
int perf_event__process(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
@@ -796,6 +800,10 @@ int perf_event__synthesize_mmap_events(struct perf_tool *tool,
bool mmap_data,
unsigned int proc_map_timeout);
+int perf_event__synthesize_extra_kmaps(struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine);
+
size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);