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Diffstat (limited to 'tools/perf/util/auxtrace.h')
-rw-r--r--tools/perf/util/auxtrace.h53
1 files changed, 46 insertions, 7 deletions
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index a4fbb33b7245..cc1c1b9cec9c 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -89,6 +89,10 @@ enum itrace_period_type {
* @tlb: whether to synthesize TLB events
* @remote_access: whether to synthesize remote access events
* @mem: whether to synthesize memory events
+ * @timeless_decoding: prefer "timeless" decoding i.e. ignore timestamps
+ * @vm_time_correlation: perform VM Time Correlation
+ * @vm_tm_corr_dry_run: VM Time Correlation dry-run
+ * @vm_tm_corr_args: VM Time Correlation implementation-specific arguments
* @callchain_sz: maximum callchain size
* @last_branch_sz: branch context size
* @period: 'instructions' events period
@@ -128,6 +132,10 @@ struct itrace_synth_opts {
bool tlb;
bool remote_access;
bool mem;
+ bool timeless_decoding;
+ bool vm_time_correlation;
+ bool vm_tm_corr_dry_run;
+ char *vm_tm_corr_args;
unsigned int callchain_sz;
unsigned int last_branch_sz;
unsigned long long period;
@@ -444,7 +452,7 @@ static inline u64 auxtrace_mmap__read_snapshot_head(struct auxtrace_mmap *mm)
u64 head = READ_ONCE(pc->aux_head);
/* Ensure all reads are done after we read the head */
- rmb();
+ smp_rmb();
return head;
}
@@ -458,7 +466,7 @@ static inline u64 auxtrace_mmap__read_head(struct auxtrace_mmap *mm)
#endif
/* Ensure all reads are done after we read the head */
- rmb();
+ smp_rmb();
return head;
}
@@ -470,7 +478,7 @@ static inline void auxtrace_mmap__write_tail(struct auxtrace_mmap *mm, u64 tail)
#endif
/* Ensure all reads are done before we write the tail out */
- mb();
+ smp_mb();
#if BITS_PER_LONG == 64 || !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT)
pc->aux_tail = tail;
#else
@@ -525,7 +533,11 @@ int auxtrace_queue_data(struct perf_session *session, bool samples,
bool events);
struct auxtrace_buffer *auxtrace_buffer__next(struct auxtrace_queue *queue,
struct auxtrace_buffer *buffer);
-void *auxtrace_buffer__get_data(struct auxtrace_buffer *buffer, int fd);
+void *auxtrace_buffer__get_data_rw(struct auxtrace_buffer *buffer, int fd, bool rw);
+static inline void *auxtrace_buffer__get_data(struct auxtrace_buffer *buffer, int fd)
+{
+ return auxtrace_buffer__get_data_rw(buffer, fd, false);
+}
void auxtrace_buffer__put_data(struct auxtrace_buffer *buffer);
void auxtrace_buffer__drop_data(struct auxtrace_buffer *buffer);
void auxtrace_buffer__free(struct auxtrace_buffer *buffer);
@@ -595,6 +607,8 @@ s64 perf_event__process_auxtrace(struct perf_session *session,
union perf_event *event);
int perf_event__process_auxtrace_error(struct perf_session *session,
union perf_event *event);
+int itrace_do_parse_synth_opts(struct itrace_synth_opts *synth_opts,
+ const char *str, int unset);
int itrace_parse_synth_opts(const struct option *opt, const char *str,
int unset);
void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts,
@@ -691,9 +705,26 @@ int auxtrace_record__options(struct auxtrace_record *itr __maybe_unused,
return 0;
}
-#define perf_event__process_auxtrace_info 0
-#define perf_event__process_auxtrace 0
-#define perf_event__process_auxtrace_error 0
+static inline
+int perf_event__process_auxtrace_info(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused)
+{
+ return 0;
+}
+
+static inline
+s64 perf_event__process_auxtrace(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused)
+{
+ return 0;
+}
+
+static inline
+int perf_event__process_auxtrace_error(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused)
+{
+ return 0;
+}
static inline
void perf_session__auxtrace_error_inc(struct perf_session *session
@@ -710,6 +741,14 @@ void events_stats__auxtrace_error_warn(const struct events_stats *stats
}
static inline
+int itrace_do_parse_synth_opts(struct itrace_synth_opts *synth_opts __maybe_unused,
+ const char *str __maybe_unused, int unset __maybe_unused)
+{
+ pr_err("AUX area tracing not supported\n");
+ return -EINVAL;
+}
+
+static inline
int itrace_parse_synth_opts(const struct option *opt __maybe_unused,
const char *str __maybe_unused,
int unset __maybe_unused)