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Subject[PATCH 15/20] staging: lustre: ptlrpc: print times in microseconds
Date
From: Bob Glosman <bob.glossman@intel.com>

report times and time diffs in seconds.microseconds instead of seconds

Signed-off-by: Bob Glosman <bob.glossman@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7733
Reviewed-on: http://review.whamcloud.com/18335
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Minh Diep <minh.diep@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
index f874781..c429613 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
@@ -905,11 +905,18 @@ static int ptlrpc_lprocfs_svc_req_history_show(struct seq_file *s, void *iter)
rc = ptlrpc_lprocfs_svc_req_history_seek(svcpt, srhi, srhi->srhi_seq);

if (rc == 0) {
+ struct timespec64 arrival, sent, arrivaldiff;
char nidstr[LNET_NIDSTR_SIZE];

req = srhi->srhi_req;

libcfs_nid2str_r(req->rq_self, nidstr, sizeof(nidstr));
+ arrival.tv_sec = req->rq_arrival_time.tv_sec;
+ arrival.tv_nsec = req->rq_arrival_time.tv_nsec;
+ sent.tv_sec = req->rq_sent;
+ sent.tv_nsec = 0;
+ arrivaldiff = timespec64_sub(sent, arrival);
+
/* Print common req fields.
* CAVEAT EMPTOR: we're racing with the service handler
* here. The request could contain any old crap, so you
@@ -917,13 +924,15 @@ static int ptlrpc_lprocfs_svc_req_history_show(struct seq_file *s, void *iter)
* parser. Currently I only print stuff here I know is OK
* to look at coz it was set up in request_in_callback()!!!
*/
- seq_printf(s, "%lld:%s:%s:x%llu:%d:%s:%lld:%lds(%+lds) ",
+ seq_printf(s, "%lld:%s:%s:x%llu:%d:%s:%lld.%06lld:%lld.%06llds(%+lld.0s) ",
req->rq_history_seq, nidstr,
libcfs_id2str(req->rq_peer), req->rq_xid,
req->rq_reqlen, ptlrpc_rqphase2str(req),
(s64)req->rq_arrival_time.tv_sec,
- (long)(req->rq_sent - req->rq_arrival_time.tv_sec),
- (long)(req->rq_sent - req->rq_deadline));
+ (s64)req->rq_arrival_time.tv_nsec / NSEC_PER_USEC,
+ (s64)arrivaldiff.tv_sec,
+ (s64)(arrivaldiff.tv_nsec / NSEC_PER_USEC),
+ (s64)(req->rq_sent - req->rq_deadline));
if (!svc->srv_ops.so_req_printer)
seq_putc(s, '\n');
else
--
1.8.3.1
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