From 6a4d98d787b38a130a67e78b64182b419899623a Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Tue, 15 Oct 2013 16:27:33 +0200 Subject: perf tools: Add perf_data_file__open interface to data object Adding perf_data_file__open interface to data object to open the perf.data file for both read and write. Signed-off-by: Jiri Olsa Acked-by: Namhyung Kim Cc: Adrian Hunter Cc: Andi Kleen Cc: Corey Ashford Cc: David Ahern Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1381847254-28809-3-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 34 +--------------------------------- 1 file changed, 1 insertion(+), 33 deletions(-) (limited to 'tools/perf/builtin-record.c') diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 4ea46ffbfc1..428e28f3e67 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -345,8 +345,6 @@ out: static int __cmd_record(struct perf_record *rec, int argc, const char **argv) { - struct stat st; - int flags; int err, feat; unsigned long waking = 0; const bool forks = argc > 0; @@ -355,7 +353,6 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) struct perf_record_opts *opts = &rec->opts; struct perf_evlist *evsel_list = rec->evlist; struct perf_data_file *file = &rec->file; - const char *output_name = file->path; struct perf_session *session; bool disabled = false; @@ -367,35 +364,6 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) signal(SIGUSR1, sig_handler); signal(SIGTERM, sig_handler); - if (!output_name) { - if (!fstat(STDOUT_FILENO, &st) && S_ISFIFO(st.st_mode)) - file->is_pipe = true; - else - file->path = output_name = "perf.data"; - } - if (output_name) { - if (!strcmp(output_name, "-")) - file->is_pipe = true; - else if (!stat(output_name, &st) && st.st_size) { - char oldname[PATH_MAX]; - snprintf(oldname, sizeof(oldname), "%s.old", - output_name); - unlink(oldname); - rename(output_name, oldname); - } - } - - flags = O_CREAT|O_RDWR|O_TRUNC; - - if (file->is_pipe) - file->fd = STDOUT_FILENO; - else - file->fd = open(output_name, flags, S_IRUSR | S_IWUSR); - if (file->fd < 0) { - perror("failed to create output file"); - return -1; - } - session = perf_session__new(file, false, NULL); if (session == NULL) { pr_err("Not enough memory for reading perf file header\n"); @@ -586,7 +554,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) fprintf(stderr, "[ perf record: Captured and wrote %.3f MB %s (~%" PRIu64 " samples) ]\n", (double)rec->bytes_written / 1024.0 / 1024.0, - output_name, + file->path, rec->bytes_written / 24); return 0; -- cgit v1.2.3-70-g09d2