Allow the 'd' option to be followed by flags which will affect what debug
messages will or will not be reported. Each flag must be preceded by either
'+' or '-'. The flags are:
        a       all perf events

Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
---
 tools/perf/Documentation/itrace.txt |  5 +++++
 tools/perf/util/auxtrace.c          |  3 +++
 tools/perf/util/auxtrace.h          | 10 +++++++++-
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/tools/perf/Documentation/itrace.txt 
b/tools/perf/Documentation/itrace.txt
index 114d0544d7c7..9c0e8586ed47 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -53,3 +53,8 @@
        The flags are:
                o       overflow
                l       trace data lost
+
+       If supported, the 'd' option may be followed by flags which affect what
+       debug messages will or will not be logged. Each flag must be preceded
+       by either '+' or '-'. The flags are:
+               a       all perf events
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index f0b0758830ee..e028187c51fe 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -1483,6 +1483,9 @@ int itrace_parse_synth_opts(const struct option *opt, 
const char *str,
                        break;
                case 'd':
                        synth_opts->log = true;
+                       if (get_flags(&p, &synth_opts->log_plus_flags,
+                                     &synth_opts->log_minus_flags))
+                               goto out_err;
                        break;
                case 'c':
                        synth_opts->branches = true;
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index cfe6d00d8624..821ef5446a13 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -58,6 +58,8 @@ enum itrace_period_type {
 #define AUXTRACE_ERR_FLG_OVERFLOW      (1 << ('o' - 'a'))
 #define AUXTRACE_ERR_FLG_DATA_LOST     (1 << ('l' - 'a'))
 
+#define AUXTRACE_LOG_FLG_ALL_PERF_EVTS (1 << ('a' - 'a'))
+
 /**
  * struct itrace_synth_opts - AUX area tracing synthesis options.
  * @set: indicates whether or not options have been set
@@ -96,6 +98,8 @@ enum itrace_period_type {
  * @range_num: number of time intervals to trace
  * @error_plus_flags: flags to affect what errors are reported
  * @error_minus_flags: flags to affect what errors are reported
+ * @log_plus_flags: flags to affect what is logged
+ * @log_minus_flags: flags to affect what is logged
  */
 struct itrace_synth_opts {
        bool                    set;
@@ -131,6 +135,8 @@ struct itrace_synth_opts {
        int                     range_num;
        unsigned int            error_plus_flags;
        unsigned int            error_minus_flags;
+       unsigned int            log_plus_flags;
+       unsigned int            log_minus_flags;
 };
 
 /**
@@ -624,7 +630,9 @@ bool auxtrace__evsel_is_auxtrace(struct perf_session 
*session,
 "                                                      each flag must be 
preceded by + or -\n" \
 "                                                      error flags are: o 
(overflow)\n" \
 "                                                                       l 
(data lost)\n" \
-"                              d:                      create a debug log\n"   
                \
+"                              d[flags]:               create a debug log\n" \
+"                                                      each flag must be 
preceded by + or -\n" \
+"                                                      log flags are: a (all 
perf events)\n" \
 "                              f:                      synthesize first level 
cache events\n" \
 "                              m:                      synthesize last level 
cache events\n" \
 "                              t:                      synthesize TLB 
events\n" \
-- 
2.17.1

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