Messages in this thread Patch in this message | | | From | Feng Tang <> | Subject | [PATCH 3/3] perf report: Enable the runtime switching of perf data file | Date | Tue, 20 Nov 2012 17:31:17 +0800 |
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This is for tui browser only. This patch will check the returned key of tui hists browser, if it's K_SWITH_INPUT_DATA, then recreate a session for the new selected data file.
Signed-off-by: Feng Tang <feng.tang@intel.com> --- tools/perf/builtin-report.c | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index fc25100..5392a8e 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -427,9 +427,17 @@ static int __cmd_report(struct perf_report *rep) if (use_browser > 0) { if (use_browser == 1) { - perf_evlist__tui_browse_hists(session->evlist, help, - NULL, - &session->header.env); + ret = perf_evlist__tui_browse_hists(session->evlist, + help, + NULL, + &session->header.env); + /* + * Usually "ret" is the last pressed key, and we only + * care if the key notifies us to switch data file. + */ + if (ret != K_SWITCH_INPUT_DATA) + ret = 0; + } else if (use_browser == 2) { perf_evlist__gtk_browse_hists(session->evlist, help, NULL); @@ -663,6 +671,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) else input_name = "perf.data"; } + +repeat: session = perf_session__new(input_name, O_RDONLY, report.force, false, &report.tool); if (session == NULL) @@ -763,6 +773,12 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) } ret = __cmd_report(&report); + if (ret == K_SWITCH_INPUT_DATA) { + perf_session__delete(session); + goto repeat; + } else + ret = 0; + error: perf_session__delete(session); return ret; -- 1.7.9.5
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