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Date: Wed, 17 Sep 2014 17:31:20 +0900 From: taeung <treeze.taeung@...il.com> To: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org CC: Namhyung Kim <namhyung@...nel.org> Subject: [PATCH] modified error code when perf_session__new() fail Hi, I modified error code for the requirement as below. Author: taeung <treeze.taeung@...il.com> Date: Sat Sep 13 16:22:53 2014 +0900 modified error code when perf_session__new() fail Because perf_session__new() could fail for more reasons than just ENOMEM, I modified error code(ENOMEM or EINVAL) into -1. diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 1ec429f..81c9fda 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -199,7 +199,7 @@ static int __cmd_annotate(struct perf_annotate *ann) session = perf_session__new(&file, false, &ann->tool); if (session == NULL) - return -ENOMEM; + return -1; machines__set_symbol_filter(&session->machines, symbol__annotate_init); diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 9a5a035..3363dce 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -683,7 +683,7 @@ static int __cmd_diff(void) d->session = perf_session__new(&d->file, false, &tool); if (!d->session) { pr_err("Failed to open %s\n", d->file.path); - ret = -ENOMEM; + ret = -1; goto out_delete; } diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c index 66e12f5..0f93f85 100644 --- a/tools/perf/builtin-evlist.c +++ b/tools/perf/builtin-evlist.c @@ -28,7 +28,7 @@ static int __cmd_evlist(const char *file_name, struct perf_attr_details *details session = perf_session__new(&file, 0, NULL); if (session == NULL) - return -ENOMEM; + return -1; evlist__for_each(session->evlist, pos) perf_evsel__fprintf(pos, details, stdout); diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index 9a02807..8dbdd13 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -359,7 +359,7 @@ static int __cmd_inject(struct perf_inject *inject) session = perf_session__new(&file, true, &inject->tool); if (session == NULL) - return -ENOMEM; + return -1; if (inject->build_ids) { inject->tool.sample = perf_event__inject_buildid; diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index bef3376..b518f4b 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -422,7 +422,7 @@ static int __cmd_kmem(void) session = perf_session__new(&file, false, &perf_kmem); if (session == NULL) - return -ENOMEM; + return -1; if (perf_session__create_kernel_maps(session) < 0) goto out_delete; diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 43367eb..828e706 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -1060,7 +1060,7 @@ static int read_events(struct perf_kvm_stat *kvm) .comm = perf_event__process_comm, .ordered_samples = true, }; - struct perf_data_file file = { + struct perf_data_file file = { .path = kvm->file_name, .mode = PERF_DATA_MODE_READ, }; @@ -1069,7 +1069,7 @@ static int read_events(struct perf_kvm_stat *kvm) kvm->session = perf_session__new(&file, false, &kvm->tool); if (!kvm->session) { pr_err("Initializing perf session failed\n"); - return -EINVAL; + return -1; } if (!perf_session__has_traces(kvm->session, "kvm record")) @@ -1369,7 +1369,7 @@ static int kvm_events_live(struct perf_kvm_stat *kvm, */ kvm->session = perf_session__new(&file, false, &kvm->tool); if (kvm->session == NULL) { - err = -ENOMEM; + err = -1; goto out; } kvm->session->evlist = kvm->evlist; diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 6148afc..49f1e30 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -862,7 +862,7 @@ static int __cmd_report(bool display_info) session = perf_session__new(&file, false, &eops); if (!session) { pr_err("Initializing perf session failed\n"); - return -ENOMEM; + return -1; } if (!perf_session__has_traces(session, "lock record")) diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index 4a1a6c9..75976ce 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -124,7 +124,7 @@ static int report_raw_events(struct perf_mem *mem) &mem->tool); if (session == NULL) - return -ENOMEM; + return -1; if (mem->cpu_list) { ret = perf_session__cpu_bitmap(session, mem->cpu_list, diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 21d830b..1a7abac 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -712,7 +712,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) repeat: session = perf_session__new(&file, false, &report.tool); if (session == NULL) - return -ENOMEM; + return -1; report.session = session; diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index f57035b..77cef60 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -1725,7 +1725,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) session = perf_session__new(&file, false, &script.tool); if (session == NULL) - return -ENOMEM; + return -1; if (header || header_only) { perf_session__fprintf_info(session, stdout, show_full_info); diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 2f1a522..dc9a465 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -1605,7 +1605,7 @@ static int __cmd_timechart(struct timechart *tchart, const char *output_name) int ret = -EINVAL; if (session == NULL) - return -ENOMEM; + return -1; (void)perf_header__process_sections(&session->header, perf_data_file__fd(session->file), diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 377971d..8217b5d 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -911,7 +911,7 @@ static int __cmd_top(struct perf_top *top) top->session = perf_session__new(NULL, false, NULL); if (top->session == NULL) - return -ENOMEM; + return -1; machines__set_symbol_filter(&top->session->machines, symbol_filter); diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index a6c3752..9e23293 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2220,7 +2220,7 @@ static int trace__replay(struct trace *trace) session = perf_session__new(&file, false, &trace->tool); if (session == NULL) - return -ENOMEM; + return -1; trace->host = &session->machines.host; Thanks, -- taeung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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