Re: Ping: [PATCH 1/1] Fix deadlock when running run_iter_bw_infinitely

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On Fri, Jan 08, 2016 at 08:36:24AM +0100, Hans Westgaard Ry wrote:
> Hi,
> I cloned  git://git.openfabrics.org/~grockah/perftest.git today and found
> quite a few new commits but not this patch.
> 
> Am I looking in the wrong repository or are there problems with this patch ?

Gil/Or
Your feedback will be appreciated.

> 
> Hans
> 
> On 12/09/2015 10:30 AM, Leon Romanovsky wrote:
> >On Wed, Dec 09, 2015 at 10:11:55AM +0100, Hans Westgaard Ry wrote:
> >>Sorry but I didn't see that "something" gobbled part of the mail.
> >>The correct lines are  (as in the original):
> >>
> >>src/perftest_resources.c | 22 ++++++++++++++++------
> >>  1 file changed, 16 insertions(+), 6 deletions(-)
> >>
> >>diff --git a/src/perftest_resources.c b/src/perftest_resources.c
> >>index cb915e0..4d8e6c0 100755
> >>--- a/src/perftest_resources.c
> >>+++ b/src/perftest_resources.c
> >>@@ -25,6 +25,12 @@ static enum ibv_wr_opcode opcode_atomic_array[] = {IBV_WR_ATOMIC_CMP_AND_SWP,IBV
> >>  struct perftest_parameters* duration_param;
> >>  struct check_alive_data check_alive_data;
> >>+/*
> >>+ * Flag to trig call to print_report_bw
> >>+ * The flag is set in signal_handler and tested/reset in run_iter_bw_infinitely
> >>+ */
> >>+static volatile int trig_print_report_bw = 0;
> >>+
> >>  /******************************************************************************
> >>   * Beginning
> >>@@ -3214,7 +3220,15 @@ int run_iter_bw_infinitely(struct pingpong_context *ctx,struct perftest_paramete
> >>  	/* main loop for posting */
> >>  	while (1) {
> >>-
> >>+		if (trig_print_report_bw) {
> >>+			duration_param->tcompleted[0] = get_cycles();
> >>+			print_report_bw(duration_param,NULL);
> >>+			duration_param->iters = 0;
> >>+			alarm(duration_param->duration);
> >>+			duration_param->tposted[0] = get_cycles();
> >>+			trig_print_report_bw = 0;
> >>+		}
> >>+		
> >>  		/* main loop to run over all the qps and post each time n messages */
> >>  		for (index =0 ; index < num_of_qps ; index++) {
> >>@@ -4213,11 +4227,7 @@ void check_alive(int sig)
> >>   ******************************************************************************/
> >>  void catch_alarm_infintely(int sig)
> >>  {
> >>-	duration_param->tcompleted[0] = get_cycles();
> >>-	print_report_bw(duration_param,NULL);
> >>-	duration_param->iters = 0;
> >>-	alarm(duration_param->duration);
> >>-	duration_param->tposted[0] = get_cycles();
> >>+	trig_print_report_bw = 1;
> >>  }
> >Thanks, it looks good,
> >Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> >
> >>
> >>
> >>On 12/09/2015 09:52 AM, Leon Romanovsky wrote:
> >>>On Wed, Dec 09, 2015 at 09:33:11AM +0100, Hans Westgaard Ry wrote:
> >>>>Any comments on this patch ?
> >>>>
> >>>>
> >>>>
> >>>>On 11/18/2015 01:27 PM, Hans Westgaard Ry wrote:
> >>>>>The test uses a signal-handler to periodically print a line of report.
> >>>>>+		if (trig_print_report_bw) {
> >>>>>+			duration_param->tcompleted[0] =et_cycles();
> >>>>>+			print_report_bw(duration_param,NULL);
> >>>>>+			duration_param->iters =;
> >>>Excuse me, what did you mean by the line above?
> >>>
> >>>>>+			alarm(duration_param->duration);
> >>>>>+			duration_param->tposted[0] =et_cycles();
> >>>>>+			trig_print_report_bw =;
> >>>And this line too.
> >>>
> >>--
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