diff options
author | Keir Fraser <keir.fraser@citrix.com> | 2008-02-26 14:39:26 +0000 |
---|---|---|
committer | Keir Fraser <keir.fraser@citrix.com> | 2008-02-26 14:39:26 +0000 |
commit | 2d28da91f9d164032b68e8eeff31f42c3773174e (patch) | |
tree | 47627fa2460780f60ddef905dbdf10e432cd2600 /tools/xentrace | |
parent | 1b5c30396246c7ba5bf66dccc7ba89b033a7a7e4 (diff) | |
download | xen-2d28da91f9d164032b68e8eeff31f42c3773174e.tar.gz xen-2d28da91f9d164032b68e8eeff31f42c3773174e.tar.bz2 xen-2d28da91f9d164032b68e8eeff31f42c3773174e.zip |
xentrace: Add a time parameter
Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
Diffstat (limited to 'tools/xentrace')
-rw-r--r-- | tools/xentrace/xentrace.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/tools/xentrace/xentrace.c b/tools/xentrace/xentrace.c index a6eae80b8e..526a69f73d 100644 --- a/tools/xentrace/xentrace.c +++ b/tools/xentrace/xentrace.c @@ -55,6 +55,7 @@ typedef struct settings_st { uint32_t cpu_mask; unsigned long tbuf_size; unsigned long disk_rsvd; + unsigned long timeout; uint8_t discard:1, disable_tracing:1; } settings_t; @@ -534,6 +535,7 @@ void usage(void) " it exits. Selecting this option will tell it to\n" \ " keep tracing on. Traces will be collected in\n" \ " Xen's trace buffers until they become full.\n" \ +" -T --time-interval=s Run xentrace for s seconds and quit.\n" \ " -?, --help Show this message\n" \ " -V, --version Print program version\n" \ "\n" \ @@ -603,6 +605,7 @@ void parse_args(int argc, char **argv) { "evt-mask", required_argument, 0, 'e' }, { "trace-buf-size", required_argument, 0, 'S' }, { "reserve-disk-space", required_argument, 0, 'r' }, + { "time-interval", required_argument, 0, 'T' }, { "discard-buffers", no_argument, 0, 'D' }, { "dont-disable-tracing", no_argument, 0, 'x' }, { "help", no_argument, 0, '?' }, @@ -648,6 +651,10 @@ void parse_args(int argc, char **argv) opts.disable_tracing = 0; break; + case 'T': + opts.timeout = argtol(optarg, 0); + break; + default: usage(); } @@ -660,7 +667,6 @@ void parse_args(int argc, char **argv) opts.outfile = argv[optind]; } - /* *BSD has no O_LARGEFILE */ #ifndef O_LARGEFILE #define O_LARGEFILE 0 @@ -677,6 +683,7 @@ int main(int argc, char **argv) opts.cpu_mask = 0; opts.disk_rsvd = 0; opts.disable_tracing = 1; + opts.timeout = 0; parse_args(argc, argv); @@ -693,6 +700,9 @@ int main(int argc, char **argv) if ( opts.cpu_mask != 0 ) set_mask(opts.cpu_mask, 1); + if ( opts.timeout != 0 ) + alarm(opts.timeout); + if ( opts.outfile ) outfd = open(opts.outfile, O_WRONLY | O_CREAT | O_TRUNC | O_LARGEFILE, @@ -717,6 +727,7 @@ int main(int argc, char **argv) sigaction(SIGHUP, &act, NULL); sigaction(SIGTERM, &act, NULL); sigaction(SIGINT, &act, NULL); + sigaction(SIGALRM, &act, NULL); ret = monitor_tbufs(outfd); |