Commit-ID:  6d5cdd64f314e03c8606c777dc44b09769f8e038
Gitweb:     http://git.kernel.org/tip/6d5cdd64f314e03c8606c777dc44b09769f8e038
Author:     Adrian Hunter <[email protected]>
AuthorDate: Fri, 24 Apr 2015 22:29:44 +0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Mon, 4 May 2015 12:43:49 -0300

perf script: Always allow fields 'addr' and 'cpu' for auxtrace

If a file contains AUX area tracing data then always allow fields 'addr'
and 'cpu' to be selected as options for perf script.  This is necessary
because AUX area decoding may synthesize events with that information.

Signed-off-by: Adrian Hunter <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/builtin-script.c | 29 ++++++++++++++++++++++-------
 1 file changed, 22 insertions(+), 7 deletions(-)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index cd2f38b..6805098 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -148,9 +148,10 @@ static const char *output_field2str(enum perf_output_field 
field)
 
 #define PRINT_FIELD(x)  (output[attr->type].fields & PERF_OUTPUT_##x)
 
-static int perf_evsel__check_stype(struct perf_evsel *evsel,
-                                  u64 sample_type, const char *sample_msg,
-                                  enum perf_output_field field)
+static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
+                                     u64 sample_type, const char *sample_msg,
+                                     enum perf_output_field field,
+                                     bool allow_user_set)
 {
        struct perf_event_attr *attr = &evsel->attr;
        int type = attr->type;
@@ -160,6 +161,8 @@ static int perf_evsel__check_stype(struct perf_evsel *evsel,
                return 0;
 
        if (output[type].user_set) {
+               if (allow_user_set)
+                       return 0;
                evname = perf_evsel__name(evsel);
                pr_err("Samples for '%s' event do not have %s attribute set. "
                       "Cannot print '%s' field.\n",
@@ -177,10 +180,22 @@ static int perf_evsel__check_stype(struct perf_evsel 
*evsel,
        return 0;
 }
 
+static int perf_evsel__check_stype(struct perf_evsel *evsel,
+                                  u64 sample_type, const char *sample_msg,
+                                  enum perf_output_field field)
+{
+       return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
+                                         false);
+}
+
 static int perf_evsel__check_attr(struct perf_evsel *evsel,
                                  struct perf_session *session)
 {
        struct perf_event_attr *attr = &evsel->attr;
+       bool allow_user_set;
+
+       allow_user_set = perf_header__has_feat(&session->header,
+                                              HEADER_AUXTRACE);
 
        if (PRINT_FIELD(TRACE) &&
                !perf_session__has_traces(session, "record -R"))
@@ -193,8 +208,8 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel,
        }
 
        if (PRINT_FIELD(ADDR) &&
-               perf_evsel__check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
-                                       PERF_OUTPUT_ADDR))
+               perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
+                                          PERF_OUTPUT_ADDR, allow_user_set))
                return -EINVAL;
 
        if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
@@ -231,8 +246,8 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel,
                return -EINVAL;
 
        if (PRINT_FIELD(CPU) &&
-               perf_evsel__check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
-                                       PERF_OUTPUT_CPU))
+               perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
+                                          PERF_OUTPUT_CPU, allow_user_set))
                return -EINVAL;
 
        if (PRINT_FIELD(PERIOD) &&
--
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