diff mbox series

[rt-tests,v5,07/13] pmqtest: Add JSON output feature

Message ID 20210210175118.19709-8-dwagner@suse.de
State New
Headers show
Series Generate machine-readable output | expand

Commit Message

Daniel Wagner Feb. 10, 2021, 5:51 p.m. UTC
Write the test results as JSON output to a file. This allows to
simplifies any parsing later on.

Signed-off-by: Daniel Wagner <dwagner@suse.de>
---
 src/pmqtest/pmqtest.c | 137 +++++++++++++++++++++++++++++++++++-------
 1 file changed, 114 insertions(+), 23 deletions(-)

Comments

John Kacur Feb. 17, 2021, 3:51 a.m. UTC | #1
On Wed, 10 Feb 2021, Daniel Wagner wrote:

> Write the test results as JSON output to a file. This allows to

> simplifies any parsing later on.

> 

> Signed-off-by: Daniel Wagner <dwagner@suse.de>

> ---

>  src/pmqtest/pmqtest.c | 137 +++++++++++++++++++++++++++++++++++-------

>  1 file changed, 114 insertions(+), 23 deletions(-)

> 

> diff --git a/src/pmqtest/pmqtest.c b/src/pmqtest/pmqtest.c

> index 349b47741003..e1f59836ea07 100644

> --- a/src/pmqtest/pmqtest.c

> +++ b/src/pmqtest/pmqtest.c

> @@ -22,6 +22,7 @@

>  #include <utmpx.h>

>  #include <mqueue.h>

>  #include <pthread.h>

> +#include <inttypes.h>

>  

>  #include "rt-utils.h"

>  #include "rt-get_cpu.h"

> @@ -231,6 +232,7 @@ static void display_help(int error)

>  	       "-h       --help            print this help message\n"

>  	       "-i INTV  --interval=INTV   base interval of thread in us default=1000\n"

>  	       "-l LOOPS --loops=LOOPS     number of loops: default=0(endless)\n"

> +	       "         --output=FILENAME write final results into FILENAME, JSON formatted\n"

>  	       "-p PRIO  --prio=PRIO       priority\n"

>  	       "-q       --quiet           print a summary only on exit\n"

>  	       "-S       --smp             SMP testing: options -a -t and same priority\n"

> @@ -258,6 +260,14 @@ static int sameprio;

>  static int timeout;

>  static int forcetimeout;

>  static int quiet;

> +static char outfile[MAX_PATH];

> +

> +enum option_value {

> +	OPT_AFFINITY=1, OPT_BREAKTRACE, OPT_DISTANCE, OPT_DURATION,

> +	OPT_FORCETIMEOUT, OPT_HELP, OPT_INTERVAL, OPT_LOOPS,

> +	OPT_OUTPUT, OPT_PRIORITY, OPT_QUIET, OPT_SMP, OPT_THREADS,

> +	OPT_TIMEOUT

> +};

>  

>  static void process_options(int argc, char *argv[])

>  {

> @@ -268,19 +278,20 @@ static void process_options(int argc, char *argv[])

>  		int option_index = 0;

>  		/** Options for getopt */

>  		static struct option long_options[] = {

> -			{"affinity",		optional_argument,	NULL, 'a'},

> -			{"breaktrace",		required_argument,	NULL, 'b'},

> -			{"distance",		required_argument,	NULL, 'd'},

> -			{"duration",		required_argument,	NULL, 'D'},

> -			{"forcetimeout",	required_argument,	NULL, 'f'},

> -			{"help",		no_argument,		NULL, 'h'},

> -			{"interval",		required_argument,	NULL, 'i'},

> -			{"loops",		required_argument,	NULL, 'l'},

> -			{"priority",		required_argument,	NULL, 'p'},

> -			{"quiet",		no_argument,		NULL, 'q'},

> -			{"smp",			no_argument,		NULL, 'S'},

> -			{"threads",		optional_argument,	NULL, 't'},

> -			{"timeout",		required_argument,	NULL, 'T'},

> +			{"affinity",	optional_argument,	NULL, OPT_AFFINITY},

> +			{"breaktrace",	required_argument,	NULL, OPT_BREAKTRACE},

> +			{"distance",	required_argument,	NULL, OPT_DISTANCE},

> +			{"duration",	required_argument,	NULL, OPT_DURATION},

> +			{"forcetimeout",required_argument,	NULL, OPT_FORCETIMEOUT},

> +			{"help",	no_argument,		NULL, OPT_HELP},

> +			{"interval",	required_argument,	NULL, OPT_INTERVAL},

> +			{"loops",	required_argument,	NULL, OPT_LOOPS},

> +			{"output",	required_argument,      NULL, OPT_OUTPUT },

> +			{"priority",	required_argument,	NULL, OPT_PRIORITY},

> +			{"quiet",	no_argument,		NULL, OPT_QUIET},

> +			{"smp",		no_argument,		NULL, OPT_SMP},

> +			{"threads",	optional_argument,	NULL, OPT_THREADS},

> +			{"timeout",	required_argument,	NULL, OPT_TIMEOUT},

>  			{NULL, 0, NULL, 0}

>  		};

>  		int c = getopt_long (argc, argv, "a::b:d:D:f:i:l:p:qSt::T:",

> @@ -288,6 +299,7 @@ static void process_options(int argc, char *argv[])

>  		if (c == -1)

>  			break;

>  		switch (c) {

> +		case OPT_AFFINITY:

>  		case 'a':

>  			if (smp) {

>  				warn("-a ignored due to --smp\n");

> @@ -303,21 +315,53 @@ static void process_options(int argc, char *argv[])

>  				setaffinity = AFFINITY_USEALL;

>  			}

>  			break;

> -		case 'b': tracelimit = atoi(optarg); break;

> -		case 'd': distance = atoi(optarg); break;

> -		case 'D': duration = parse_time_string(optarg); break;

> -		case 'f': forcetimeout = atoi(optarg); break;

> +		case OPT_BREAKTRACE:

> +		case 'b':

> +			tracelimit = atoi(optarg);

> +			break;

> +		case OPT_DISTANCE:

> +		case 'd':

> +			distance = atoi(optarg);

> +			break;

> +		case OPT_DURATION:

> +		case 'D':

> +			duration = parse_time_string(optarg);

> +			break;

> +		case OPT_FORCETIMEOUT:

> +		case 'f':

> +			forcetimeout = atoi(optarg);

> +			break;

> +		case OPT_HELP:

>  		case '?':

> -		case 'h': display_help(0); break;

> -		case 'i': interval = atoi(optarg); break;

> -		case 'l': max_cycles = atoi(optarg); break;

> -		case 'p': priority = atoi(optarg); break;

> -		case 'q': quiet = 1; break;

> +		case 'h':

> +			display_help(0);

> +			break;

> +		case OPT_INTERVAL:

> +		case 'i':

> +			interval = atoi(optarg);

> +			break;

> +		case OPT_LOOPS:

> +		case 'l':

> +			max_cycles = atoi(optarg);

> +			break;

> +		case OPT_OUTPUT:

> +			strncpy(outfile, optarg, strnlen(optarg, MAX_PATH-1));

> +			break;

> +		case OPT_PRIORITY:

> +		case 'p':

> +			priority = atoi(optarg);

> +			break;

> +		case OPT_QUIET:

> +		case 'q':

> +			quiet = 1;

> +			break;

> +		case OPT_SMP:

>  		case 'S':

>  			smp = 1;

>  			num_threads = max_cpus;

>  			setaffinity = AFFINITY_USEALL;

>  			break;

> +		case OPT_THREADS:

>  		case 't':

>  			if (smp) {

>  				warn("-t ignored due to --smp\n");

> @@ -330,7 +374,10 @@ static void process_options(int argc, char *argv[])

>  			else

>  				num_threads = max_cpus;

>  			break;

> -		case 'T': timeout = atoi(optarg); break;

> +		case OPT_TIMEOUT:

> +		case 'T':

> +			timeout = atoi(optarg);

> +			break;

>  		default:

>  			display_help(1);

>  			break;

> @@ -401,6 +448,42 @@ static void print_stat(FILE *fp, struct params *receiver, struct params *sender,

>  	}

>  }

>  

> +struct params_stats {

> +	struct params *receiver;

> +	struct params *sender;

> +};

> +

> +static void write_stats(FILE *f, void *data)

> +{

> +	struct params_stats *ps = data;

> +	struct params *s, *r;

> +	unsigned int i;

> +

> +	fprintf(f, "  \"num_threads\": %d,\n", num_threads);

> +	fprintf(f, "  \"thread\": {\n");

> +	for (i = 0; i < num_threads; i++) {

> +		s = &ps->sender[i];

> +		r = &ps->receiver[i];

> +		fprintf(f, "    \"%u\": {\n", i);

> +		fprintf(f, "      \"sender\": {\n");

> +		fprintf(f, "        \"cpu\": %d,\n", s->cpu);

> +		fprintf(f, "        \"priority\": %d,\n", s->priority);

> +		fprintf(f, "        \"samples\": %d,\n", s->samples);

> +		fprintf(f, "        \"interval\": %ld\n", r->delay.tv_nsec/1000);

> +		fprintf(f, "      },\n");

> +		fprintf(f, "      \"receiver\": {\n");

> +		fprintf(f, "        \"cpu\": %d,\n", r->cpu);

> +		fprintf(f, "        \"priority\": %d,\n", r->priority);

> +		fprintf(f, "        \"timeoutcount\": %d,\n", r->timeoutcount);

> +		fprintf(f, "        \"min\": %d,\n", r->mindiff);

> +		fprintf(f, "        \"avg\": %.2f,\n", r->sumdiff/r->samples);

> +		fprintf(f, "        \"max\": %d\n", r->maxdiff);

> +		fprintf(f, "      }\n");

> +		fprintf(f, "    }%s\n", i == num_threads - 1 ? "" : ",");

> +	}

> +	fprintf(f, "  }\n");

> +}

> +

>  int main(int argc, char *argv[])

>  {

>  	int i;

> @@ -562,6 +645,14 @@ int main(int argc, char *argv[])

>  		mq_unlink(mqname);

>  	}

>  

> +	if (strlen(outfile) != 0) {

> +		struct params_stats ps = {

> +			.receiver = receiver,

> +			.sender = sender,

> +		};

> +		rt_write_json(outfile, argc, argv, write_stats, &ps);

> +	}

> +

>  nomem:

>  

>  	return 0;

> -- 

> 2.30.0

> 

> 


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

Patch

diff --git a/src/pmqtest/pmqtest.c b/src/pmqtest/pmqtest.c
index 349b47741003..e1f59836ea07 100644
--- a/src/pmqtest/pmqtest.c
+++ b/src/pmqtest/pmqtest.c
@@ -22,6 +22,7 @@ 
 #include <utmpx.h>
 #include <mqueue.h>
 #include <pthread.h>
+#include <inttypes.h>
 
 #include "rt-utils.h"
 #include "rt-get_cpu.h"
@@ -231,6 +232,7 @@  static void display_help(int error)
 	       "-h       --help            print this help message\n"
 	       "-i INTV  --interval=INTV   base interval of thread in us default=1000\n"
 	       "-l LOOPS --loops=LOOPS     number of loops: default=0(endless)\n"
+	       "         --output=FILENAME write final results into FILENAME, JSON formatted\n"
 	       "-p PRIO  --prio=PRIO       priority\n"
 	       "-q       --quiet           print a summary only on exit\n"
 	       "-S       --smp             SMP testing: options -a -t and same priority\n"
@@ -258,6 +260,14 @@  static int sameprio;
 static int timeout;
 static int forcetimeout;
 static int quiet;
+static char outfile[MAX_PATH];
+
+enum option_value {
+	OPT_AFFINITY=1, OPT_BREAKTRACE, OPT_DISTANCE, OPT_DURATION,
+	OPT_FORCETIMEOUT, OPT_HELP, OPT_INTERVAL, OPT_LOOPS,
+	OPT_OUTPUT, OPT_PRIORITY, OPT_QUIET, OPT_SMP, OPT_THREADS,
+	OPT_TIMEOUT
+};
 
 static void process_options(int argc, char *argv[])
 {
@@ -268,19 +278,20 @@  static void process_options(int argc, char *argv[])
 		int option_index = 0;
 		/** Options for getopt */
 		static struct option long_options[] = {
-			{"affinity",		optional_argument,	NULL, 'a'},
-			{"breaktrace",		required_argument,	NULL, 'b'},
-			{"distance",		required_argument,	NULL, 'd'},
-			{"duration",		required_argument,	NULL, 'D'},
-			{"forcetimeout",	required_argument,	NULL, 'f'},
-			{"help",		no_argument,		NULL, 'h'},
-			{"interval",		required_argument,	NULL, 'i'},
-			{"loops",		required_argument,	NULL, 'l'},
-			{"priority",		required_argument,	NULL, 'p'},
-			{"quiet",		no_argument,		NULL, 'q'},
-			{"smp",			no_argument,		NULL, 'S'},
-			{"threads",		optional_argument,	NULL, 't'},
-			{"timeout",		required_argument,	NULL, 'T'},
+			{"affinity",	optional_argument,	NULL, OPT_AFFINITY},
+			{"breaktrace",	required_argument,	NULL, OPT_BREAKTRACE},
+			{"distance",	required_argument,	NULL, OPT_DISTANCE},
+			{"duration",	required_argument,	NULL, OPT_DURATION},
+			{"forcetimeout",required_argument,	NULL, OPT_FORCETIMEOUT},
+			{"help",	no_argument,		NULL, OPT_HELP},
+			{"interval",	required_argument,	NULL, OPT_INTERVAL},
+			{"loops",	required_argument,	NULL, OPT_LOOPS},
+			{"output",	required_argument,      NULL, OPT_OUTPUT },
+			{"priority",	required_argument,	NULL, OPT_PRIORITY},
+			{"quiet",	no_argument,		NULL, OPT_QUIET},
+			{"smp",		no_argument,		NULL, OPT_SMP},
+			{"threads",	optional_argument,	NULL, OPT_THREADS},
+			{"timeout",	required_argument,	NULL, OPT_TIMEOUT},
 			{NULL, 0, NULL, 0}
 		};
 		int c = getopt_long (argc, argv, "a::b:d:D:f:i:l:p:qSt::T:",
@@ -288,6 +299,7 @@  static void process_options(int argc, char *argv[])
 		if (c == -1)
 			break;
 		switch (c) {
+		case OPT_AFFINITY:
 		case 'a':
 			if (smp) {
 				warn("-a ignored due to --smp\n");
@@ -303,21 +315,53 @@  static void process_options(int argc, char *argv[])
 				setaffinity = AFFINITY_USEALL;
 			}
 			break;
-		case 'b': tracelimit = atoi(optarg); break;
-		case 'd': distance = atoi(optarg); break;
-		case 'D': duration = parse_time_string(optarg); break;
-		case 'f': forcetimeout = atoi(optarg); break;
+		case OPT_BREAKTRACE:
+		case 'b':
+			tracelimit = atoi(optarg);
+			break;
+		case OPT_DISTANCE:
+		case 'd':
+			distance = atoi(optarg);
+			break;
+		case OPT_DURATION:
+		case 'D':
+			duration = parse_time_string(optarg);
+			break;
+		case OPT_FORCETIMEOUT:
+		case 'f':
+			forcetimeout = atoi(optarg);
+			break;
+		case OPT_HELP:
 		case '?':
-		case 'h': display_help(0); break;
-		case 'i': interval = atoi(optarg); break;
-		case 'l': max_cycles = atoi(optarg); break;
-		case 'p': priority = atoi(optarg); break;
-		case 'q': quiet = 1; break;
+		case 'h':
+			display_help(0);
+			break;
+		case OPT_INTERVAL:
+		case 'i':
+			interval = atoi(optarg);
+			break;
+		case OPT_LOOPS:
+		case 'l':
+			max_cycles = atoi(optarg);
+			break;
+		case OPT_OUTPUT:
+			strncpy(outfile, optarg, strnlen(optarg, MAX_PATH-1));
+			break;
+		case OPT_PRIORITY:
+		case 'p':
+			priority = atoi(optarg);
+			break;
+		case OPT_QUIET:
+		case 'q':
+			quiet = 1;
+			break;
+		case OPT_SMP:
 		case 'S':
 			smp = 1;
 			num_threads = max_cpus;
 			setaffinity = AFFINITY_USEALL;
 			break;
+		case OPT_THREADS:
 		case 't':
 			if (smp) {
 				warn("-t ignored due to --smp\n");
@@ -330,7 +374,10 @@  static void process_options(int argc, char *argv[])
 			else
 				num_threads = max_cpus;
 			break;
-		case 'T': timeout = atoi(optarg); break;
+		case OPT_TIMEOUT:
+		case 'T':
+			timeout = atoi(optarg);
+			break;
 		default:
 			display_help(1);
 			break;
@@ -401,6 +448,42 @@  static void print_stat(FILE *fp, struct params *receiver, struct params *sender,
 	}
 }
 
+struct params_stats {
+	struct params *receiver;
+	struct params *sender;
+};
+
+static void write_stats(FILE *f, void *data)
+{
+	struct params_stats *ps = data;
+	struct params *s, *r;
+	unsigned int i;
+
+	fprintf(f, "  \"num_threads\": %d,\n", num_threads);
+	fprintf(f, "  \"thread\": {\n");
+	for (i = 0; i < num_threads; i++) {
+		s = &ps->sender[i];
+		r = &ps->receiver[i];
+		fprintf(f, "    \"%u\": {\n", i);
+		fprintf(f, "      \"sender\": {\n");
+		fprintf(f, "        \"cpu\": %d,\n", s->cpu);
+		fprintf(f, "        \"priority\": %d,\n", s->priority);
+		fprintf(f, "        \"samples\": %d,\n", s->samples);
+		fprintf(f, "        \"interval\": %ld\n", r->delay.tv_nsec/1000);
+		fprintf(f, "      },\n");
+		fprintf(f, "      \"receiver\": {\n");
+		fprintf(f, "        \"cpu\": %d,\n", r->cpu);
+		fprintf(f, "        \"priority\": %d,\n", r->priority);
+		fprintf(f, "        \"timeoutcount\": %d,\n", r->timeoutcount);
+		fprintf(f, "        \"min\": %d,\n", r->mindiff);
+		fprintf(f, "        \"avg\": %.2f,\n", r->sumdiff/r->samples);
+		fprintf(f, "        \"max\": %d\n", r->maxdiff);
+		fprintf(f, "      }\n");
+		fprintf(f, "    }%s\n", i == num_threads - 1 ? "" : ",");
+	}
+	fprintf(f, "  }\n");
+}
+
 int main(int argc, char *argv[])
 {
 	int i;
@@ -562,6 +645,14 @@  int main(int argc, char *argv[])
 		mq_unlink(mqname);
 	}
 
+	if (strlen(outfile) != 0) {
+		struct params_stats ps = {
+			.receiver = receiver,
+			.sender = sender,
+		};
+		rt_write_json(outfile, argc, argv, write_stats, &ps);
+	}
+
 nomem:
 
 	return 0;