diff mbox series

[3/3] rt-tests: cyclicdeadline: Remove dead "verbose" code in print_stat()

Message ID 20240122221321.9545-3-crwood@redhat.com
State New
Headers show
Series [1/3] rt-tests: cyclics: Fix json segfault when not using histogram | expand

Commit Message

Crystal Wood Jan. 22, 2024, 10:13 p.m. UTC
print_stat() isn't and has never been called with verbose set, and
that codepath doesn't even print anything.  Remove it.

Signed-off-by: Crystal Wood <crwood@redhat.com>
---
 src/sched_deadline/cyclicdeadline.c | 46 ++++++++++-------------------
 1 file changed, 15 insertions(+), 31 deletions(-)

Comments

John Kacur Jan. 23, 2024, 8:29 p.m. UTC | #1
On Mon, 22 Jan 2024, Crystal Wood wrote:

> print_stat() isn't and has never been called with verbose set, and
> that codepath doesn't even print anything.  Remove it.
> 
> Signed-off-by: Crystal Wood <crwood@redhat.com>
> ---
>  src/sched_deadline/cyclicdeadline.c | 46 ++++++++++-------------------
>  1 file changed, 15 insertions(+), 31 deletions(-)
> 
> diff --git a/src/sched_deadline/cyclicdeadline.c b/src/sched_deadline/cyclicdeadline.c
> index 3cb8f714b788..7525ad136d2c 100644
> --- a/src/sched_deadline/cyclicdeadline.c
> +++ b/src/sched_deadline/cyclicdeadline.c
> @@ -53,7 +53,6 @@ typedef int s32;
>  /* Struct for statistics */
>  struct thread_stat {
>  	unsigned long cycles;
> -	unsigned long cyclesread;
>  	long min;
>  	long max;
>  	long act;
> @@ -64,8 +63,6 @@ struct thread_stat {
>  	int threadstarted;
>  	int tid;
>  	long reduce;
> -	long redmax;
> -	long cycleofmax;
>  };
>  
>  struct sched_data {
> @@ -775,36 +772,23 @@ static void print_hist(FILE *fp, struct sched_data *sd, int nthreads)
>  	fprintf(fp, "\n");
>  }
>  
> -static void print_stat(FILE *fp, struct sched_data *sd, int index, int verbose, int quiet)
> +static void print_stat(FILE *fp, struct sched_data *sd, int index, int quiet)
>  {
>  	struct thread_stat *stat = &sd->stat;
> +	char *fmt;
>  
> -	if (!verbose) {
> -		if (quiet != 1) {
> -			char *fmt;
> -			if (use_nsecs)
> -				fmt = "T:%2d (%5d) I:%ld C:%7lu "
> -					"Min:%7ld Act:%8ld Avg:%8ld Max:%8ld\n";
> -			else
> -				fmt = "T:%2d (%5d) I:%ld C:%7lu "
> -					"Min:%7ld Act:%5ld Avg:%5ld Max:%8ld\n";
> -			fprintf(fp, fmt, index, stat->tid,
> -				sd->deadline_us, stat->cycles, stat->min, stat->act,
> -				stat->cycles ?
> -				(long)(stat->avg/stat->cycles) : 0, stat->max);
> -		}
> -	} else {
> -		while (stat->cycles != stat->cyclesread) {
> -			long diff = stat->values
> -			    [stat->cyclesread & sd->bufmsk];
> +	if (quiet)
> +		return;
>  
> -			if (diff > stat->redmax) {
> -				stat->redmax = diff;
> -				stat->cycleofmax = stat->cyclesread;
> -			}
> -			stat->cyclesread++;
> -		}
> -	}
> +	if (use_nsecs)
> +		fmt = "T:%2d (%5d) I:%ld C:%7lu Min:%7ld Act:%8ld Avg:%8ld Max:%8ld\n";
> +	else
> +		fmt = "T:%2d (%5d) I:%ld C:%7lu Min:%7ld Act:%5ld Avg:%5ld Max:%8ld\n";
> +
> +	fprintf(fp, fmt, index, stat->tid,
> +		sd->deadline_us, stat->cycles, stat->min, stat->act,
> +		stat->cycles ?
> +		(long)(stat->avg/stat->cycles) : 0, stat->max);
>  }
>  
>  static u64 do_runtime(struct sched_data *sd, u64 period)
> @@ -1109,7 +1093,7 @@ static void loop(struct sched_data *sched_data, int nr_threads)
>  
>  	while (!shutdown) {
>  		for (i = 0; i < nr_threads; i++)
> -			print_stat(stdout, &sched_data[i], i, 0, quiet);
> +			print_stat(stdout, &sched_data[i], i, quiet);
>  		usleep(10000);
>  		if (!quiet)
>  			printf("\033[%dA", nr_threads);
> @@ -1119,7 +1103,7 @@ static void loop(struct sched_data *sched_data, int nr_threads)
>  		printf("\033[%dB", nr_threads + 2);
>  	} else if (!histogram) {
>  		for (i = 0; i < nr_threads; ++i)
> -			print_stat(stdout, &sched_data[i], i, 0, 0);
> +			print_stat(stdout, &sched_data[i], i, 0);
>  	}
>  
>  	if (histogram) {
> -- 

Signed-off-by: John Kacur <jkacur@redhat.com>
diff mbox series

Patch

diff --git a/src/sched_deadline/cyclicdeadline.c b/src/sched_deadline/cyclicdeadline.c
index 3cb8f714b788..7525ad136d2c 100644
--- a/src/sched_deadline/cyclicdeadline.c
+++ b/src/sched_deadline/cyclicdeadline.c
@@ -53,7 +53,6 @@  typedef int s32;
 /* Struct for statistics */
 struct thread_stat {
 	unsigned long cycles;
-	unsigned long cyclesread;
 	long min;
 	long max;
 	long act;
@@ -64,8 +63,6 @@  struct thread_stat {
 	int threadstarted;
 	int tid;
 	long reduce;
-	long redmax;
-	long cycleofmax;
 };
 
 struct sched_data {
@@ -775,36 +772,23 @@  static void print_hist(FILE *fp, struct sched_data *sd, int nthreads)
 	fprintf(fp, "\n");
 }
 
-static void print_stat(FILE *fp, struct sched_data *sd, int index, int verbose, int quiet)
+static void print_stat(FILE *fp, struct sched_data *sd, int index, int quiet)
 {
 	struct thread_stat *stat = &sd->stat;
+	char *fmt;
 
-	if (!verbose) {
-		if (quiet != 1) {
-			char *fmt;
-			if (use_nsecs)
-				fmt = "T:%2d (%5d) I:%ld C:%7lu "
-					"Min:%7ld Act:%8ld Avg:%8ld Max:%8ld\n";
-			else
-				fmt = "T:%2d (%5d) I:%ld C:%7lu "
-					"Min:%7ld Act:%5ld Avg:%5ld Max:%8ld\n";
-			fprintf(fp, fmt, index, stat->tid,
-				sd->deadline_us, stat->cycles, stat->min, stat->act,
-				stat->cycles ?
-				(long)(stat->avg/stat->cycles) : 0, stat->max);
-		}
-	} else {
-		while (stat->cycles != stat->cyclesread) {
-			long diff = stat->values
-			    [stat->cyclesread & sd->bufmsk];
+	if (quiet)
+		return;
 
-			if (diff > stat->redmax) {
-				stat->redmax = diff;
-				stat->cycleofmax = stat->cyclesread;
-			}
-			stat->cyclesread++;
-		}
-	}
+	if (use_nsecs)
+		fmt = "T:%2d (%5d) I:%ld C:%7lu Min:%7ld Act:%8ld Avg:%8ld Max:%8ld\n";
+	else
+		fmt = "T:%2d (%5d) I:%ld C:%7lu Min:%7ld Act:%5ld Avg:%5ld Max:%8ld\n";
+
+	fprintf(fp, fmt, index, stat->tid,
+		sd->deadline_us, stat->cycles, stat->min, stat->act,
+		stat->cycles ?
+		(long)(stat->avg/stat->cycles) : 0, stat->max);
 }
 
 static u64 do_runtime(struct sched_data *sd, u64 period)
@@ -1109,7 +1093,7 @@  static void loop(struct sched_data *sched_data, int nr_threads)
 
 	while (!shutdown) {
 		for (i = 0; i < nr_threads; i++)
-			print_stat(stdout, &sched_data[i], i, 0, quiet);
+			print_stat(stdout, &sched_data[i], i, quiet);
 		usleep(10000);
 		if (!quiet)
 			printf("\033[%dA", nr_threads);
@@ -1119,7 +1103,7 @@  static void loop(struct sched_data *sched_data, int nr_threads)
 		printf("\033[%dB", nr_threads + 2);
 	} else if (!histogram) {
 		for (i = 0; i < nr_threads; ++i)
-			print_stat(stdout, &sched_data[i], i, 0, 0);
+			print_stat(stdout, &sched_data[i], i, 0);
 	}
 
 	if (histogram) {