From 010f485a6a4a9901009a8b8cea7d1e80fe6489b0 Mon Sep 17 00:00:00 2001 From: Julien Desfossez Date: Fri, 7 Feb 2014 16:58:12 -0500 Subject: [PATCH] print timestamp delta Signed-off-by: Julien Desfossez --- src/lttngtop.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/src/lttngtop.c b/src/lttngtop.c index 2521d5f..33f098a 100644 --- a/src/lttngtop.c +++ b/src/lttngtop.c @@ -83,6 +83,8 @@ GPtrArray *available_snapshots; sem_t metadata_available; int reload_trace = 0; +uint64_t prev_ts = 0; + enum { OPT_NONE = 0, OPT_HELP, @@ -212,6 +214,7 @@ void print_fields(struct bt_ctf_event *event) enum bt_cb_ret print_timestamp(struct bt_ctf_event *call_data, void *private_data) { unsigned long timestamp; + uint64_t delta; struct tm start; uint64_t ts_nsec_start; int pid, cpu_id, tid; @@ -262,17 +265,26 @@ enum bt_cb_ret print_timestamp(struct bt_ctf_event *call_data, void *private_dat cpu_id = get_cpu_id(call_data); procname = get_context_comm(call_data); + if (prev_ts == 0) + prev_ts = timestamp; + delta = timestamp - prev_ts; + prev_ts = timestamp; if (hostname) { - printf("%02d:%02d:%02d.%09" PRIu64 " (%s) (cpu %d) [%s (%d/%d)] %s (", + printf("%02d:%02d:%02d.%09" PRIu64 " (+%" PRIu64 ".%09" PRIu64 ") (%s) " + "(cpu %d) [%s (%d/%d)] %s (", start.tm_hour, start.tm_min, start.tm_sec, - ts_nsec_start, hostname, cpu_id, procname, pid, - tid, bt_ctf_event_name(call_data)); + ts_nsec_start, delta / NSEC_PER_SEC, + delta % NSEC_PER_SEC, hostname, cpu_id, + procname, pid, tid, + bt_ctf_event_name(call_data)); } else { - printf("%02d:%02d:%02d.%09" PRIu64 " (cpu %d) [%s (%d/%d)] %s (", + printf("%02d:%02d:%02d.%09" PRIu64 " (+%" PRIu64 ".%09" PRIu64 ") " + "(cpu %d) [%s (%d/%d)] %s (", start.tm_hour, start.tm_min, start.tm_sec, - ts_nsec_start, cpu_id, procname, pid, tid, - bt_ctf_event_name(call_data)); + ts_nsec_start, delta / NSEC_PER_SEC, + delta % NSEC_PER_SEC, cpu_id, procname, pid, + tid, bt_ctf_event_name(call_data)); } print_fields(call_data); printf(")\n"); -- 2.34.1