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authorTom Zanussi <tzanussi@gmail.com>2009-11-25 01:15:47 -0600
committerIngo Molnar <mingo@elte.hu>2009-11-28 10:04:25 +0100
commiteb9a42caa7a926beb935a22bc59d981b35f0b652 (patch)
treed546fbd988180882659515d586511f896809abec /tools/perf
parent956ffd027bedc4106b901eb6a50f0a6c6de4113d (diff)
perf trace: Add flag/symbolic format_flags
It's useful to know whether a field is a flag or symbolic field for e.g. when generating scripts - it allows us to translate those fields specially rather than literally as plain numeric values. Signed-off-by: Tom Zanussi <tzanussi@gmail.com> Cc: fweisbec@gmail.com Cc: rostedt@goodmis.org Cc: anton@samba.org Cc: hch@infradead.org LKML-Reference: <1259133352-23685-3-git-send-email-tzanussi@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/trace-event-parse.c17
-rw-r--r--tools/perf/util/trace-event.h2
2 files changed, 19 insertions, 0 deletions
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 7021dc1b0ca..85d7163a9fd 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -48,6 +48,11 @@ static unsigned long long input_buf_siz;
static int cpus;
static int long_size;
+static int is_flag_field;
+static int is_symbolic_field;
+
+static struct format_field *
+find_any_field(struct event *event, const char *name);
static void init_input_buf(char *buf, unsigned long long size)
{
@@ -1301,6 +1306,16 @@ process_entry(struct event *event __unused, struct print_arg *arg,
arg->type = PRINT_FIELD;
arg->field.name = field;
+ if (is_flag_field) {
+ arg->field.field = find_any_field(event, arg->field.name);
+ arg->field.field->flags |= FIELD_IS_FLAG;
+ is_flag_field = 0;
+ } else if (is_symbolic_field) {
+ arg->field.field = find_any_field(event, arg->field.name);
+ arg->field.field->flags |= FIELD_IS_SYMBOLIC;
+ is_symbolic_field = 0;
+ }
+
type = read_token(&token);
*tok = token;
@@ -1668,9 +1683,11 @@ process_arg_token(struct event *event, struct print_arg *arg,
type = process_entry(event, arg, &token);
} else if (strcmp(token, "__print_flags") == 0) {
free_token(token);
+ is_flag_field = 1;
type = process_flags(event, arg, &token);
} else if (strcmp(token, "__print_symbolic") == 0) {
free_token(token);
+ is_symbolic_field = 1;
type = process_symbols(event, arg, &token);
} else if (strcmp(token, "__get_str") == 0) {
free_token(token);
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index e7aaf002e66..aeb915778ae 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -29,6 +29,8 @@ enum format_flags {
FIELD_IS_SIGNED = 4,
FIELD_IS_STRING = 8,
FIELD_IS_DYNAMIC = 16,
+ FIELD_IS_FLAG = 32,
+ FIELD_IS_SYMBOLIC = 64,
};
struct format_field {