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| author | Satish Kharat <satishkh@cisco.com> | 2017-06-27 03:48:08 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-06-28 04:40:59 +0300 |
| commit | 43caa03fec79d062c5f7a959a823770d72717b24 (patch) | |
| tree | 5b576b2b97f8f205d111ab73583934ef1b8af969 /drivers/scsi/fnic/fnic_trace.c | |
| parent | 1cdf8bc18f1ee43a39e543506fff8d5db3020ae1 (diff) | |
| download | linux-43caa03fec79d062c5f7a959a823770d72717b24.tar.xz | |
scsi: fnic: added timestamp reporting in fnic debug stats
Added the timestamps for
1. current timestamp
2. last fnic stats read timestamp
3. last fnic stats reset timestamp
and the deltas since last stats read and last reset in fnic stats.
fnic stats uses debugfs
Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/fnic/fnic_trace.c')
| -rw-r--r-- | drivers/scsi/fnic/fnic_trace.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c index b5ac5381a0d7..4826f596cb31 100644 --- a/drivers/scsi/fnic/fnic_trace.c +++ b/drivers/scsi/fnic/fnic_trace.c @@ -219,7 +219,31 @@ int fnic_get_stats_data(struct stats_debug_info *debug, int buf_size = debug->buf_size; struct timespec val1, val2; + getnstimeofday(&val1); len = snprintf(debug->debug_buffer + len, buf_size - len, + "------------------------------------------\n" + "\t\tTime\n" + "------------------------------------------\n"); + + len += snprintf(debug->debug_buffer + len, buf_size - len, + "Current time : [%ld:%ld]\n" + "Last stats reset time: [%ld:%ld]\n" + "Last stats read time: [%ld:%ld]\n" + "delta since last reset: [%ld:%ld]\n" + "delta since last read: [%ld:%ld]\n", + val1.tv_sec, val1.tv_nsec, + stats->stats_timestamps.last_reset_time.tv_sec, + stats->stats_timestamps.last_reset_time.tv_nsec, + stats->stats_timestamps.last_read_time.tv_sec, + stats->stats_timestamps.last_read_time.tv_nsec, + timespec_sub(val1, stats->stats_timestamps.last_reset_time).tv_sec, + timespec_sub(val1, stats->stats_timestamps.last_reset_time).tv_nsec, + timespec_sub(val1, stats->stats_timestamps.last_read_time).tv_sec, + timespec_sub(val1, stats->stats_timestamps.last_read_time).tv_nsec); + + stats->stats_timestamps.last_read_time = val1; + + len += snprintf(debug->debug_buffer + len, buf_size - len, "------------------------------------------\n" "\t\tIO Statistics\n" "------------------------------------------\n"); |