diff options
author | Adrian Hunter <adrian.hunter@intel.com> | 2014-10-30 17:09:46 +0300 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-11-04 00:09:33 +0300 |
commit | 88f50d602f500d206f2f5a9a9751dd45f2d97739 (patch) | |
tree | f0952bc6ec3226f6921aece5e444e30b82115667 /tools/perf/util/db-export.c | |
parent | c29414f5cfd641d956c5287848fdd8f25bb2afa3 (diff) | |
download | linux-88f50d602f500d206f2f5a9a9751dd45f2d97739.tar.xz |
perf tools: Add call information to the database export API
Make it possible for the database export API to use the enhanced thread
stack and export detailed information about paired calls and returns.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1414678188-14946-6-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/db-export.c')
-rw-r--r-- | tools/perf/util/db-export.c | 52 |
1 files changed, 51 insertions, 1 deletions
diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c index bccb83120971..017ecbb0ec05 100644 --- a/tools/perf/util/db-export.c +++ b/tools/perf/util/db-export.c @@ -21,6 +21,7 @@ #include "comm.h" #include "symbol.h" #include "event.h" +#include "thread-stack.h" #include "db-export.h" int db_export__init(struct db_export *dbe) @@ -29,8 +30,10 @@ int db_export__init(struct db_export *dbe) return 0; } -void db_export__exit(struct db_export *dbe __maybe_unused) +void db_export__exit(struct db_export *dbe) { + call_return_processor__free(dbe->crp); + dbe->crp = NULL; } int db_export__evsel(struct db_export *dbe, struct perf_evsel *evsel) @@ -270,6 +273,13 @@ int db_export__sample(struct db_export *dbe, union perf_event *event, &es.addr_sym_db_id, &es.addr_offset); if (err) return err; + if (dbe->crp) { + err = thread_stack__process(thread, comm, sample, al, + &addr_al, es.db_id, + dbe->crp); + if (err) + return err; + } } if (dbe->export_sample) @@ -316,3 +326,43 @@ int db_export__branch_types(struct db_export *dbe) } return err; } + +int db_export__call_path(struct db_export *dbe, struct call_path *cp) +{ + int err; + + if (cp->db_id) + return 0; + + if (cp->parent) { + err = db_export__call_path(dbe, cp->parent); + if (err) + return err; + } + + cp->db_id = ++dbe->call_path_last_db_id; + + if (dbe->export_call_path) + return dbe->export_call_path(dbe, cp); + + return 0; +} + +int db_export__call_return(struct db_export *dbe, struct call_return *cr) +{ + int err; + + if (cr->db_id) + return 0; + + err = db_export__call_path(dbe, cr->cp); + if (err) + return err; + + cr->db_id = ++dbe->call_return_last_db_id; + + if (dbe->export_call_return) + return dbe->export_call_return(dbe, cr); + + return 0; +} |