Write the test results as JSON output to a file. This allows to
simplifies any parsing later on.
Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
---
src/signaltest/signaltest.c | 106 +++++++++++++++++++++++++++++-------
1 file changed, 86 insertions(+), 20 deletions(-)
diff --git a/src/signaltest/signaltest.c b/src/signaltest/signaltest.c
index d2b90d93ceca..1d1b070cf12b 100644
--- a/src/signaltest/signaltest.c
+++ b/src/signaltest/signaltest.c
@@ -22,6 +22,7 @@
#include <unistd.h>
#include <errno.h>
#include <sched.h>
+#include <inttypes.h>
#include <linux/unistd.h>
@@ -207,6 +208,14 @@ static int lockall;
static struct bitmask *affinity_mask = NULL;
static int smp = 0;
static int setaffinity = AFFINITY_UNSPECIFIED;
+static char outfile[MAX_PATH];
+
+enum option_values {
+ OPT_AFFINITY=1, OPT_BREAKTRACE,
+ OPT_DURATION, OPT_HELP, OPT_LOOPS,
+ OPT_MLOCKALL, OPT_OUTPUT, OPT_PRIORITY,
+ OPT_QUIET, OPT_SMP, OPT_THREADS, OPT_VERBOSE
+};
/* Process commandline options */
static void process_options(int argc, char *argv[], unsigned int max_cpus)
@@ -219,17 +228,18 @@ static void process_options(int argc, char *argv[], unsigned int max_cpus)
int option_index = 0;
/** Options for getopt */
static struct option long_options[] = {
- {"affinity", optional_argument, NULL, 'a'},
- {"breaktrace", required_argument, NULL, 'b'},
- {"duration", required_argument, NULL, 'D'},
- {"help", no_argument, NULL, 'h'},
- {"loops", required_argument, NULL, 'l'},
- {"mlockall", no_argument, NULL, 'm'},
- {"priority", required_argument, NULL, 'p'},
- {"quiet", no_argument, NULL, 'q'},
- {"smp", no_argument, NULL, 'S'},
- {"threads", required_argument, NULL, 't'},
- {"verbose", no_argument, NULL, 'v'},
+ {"affinity", optional_argument, NULL, OPT_AFFINITY},
+ {"breaktrace", required_argument, NULL, OPT_BREAKTRACE},
+ {"duration", required_argument, NULL, OPT_DURATION},
+ {"help", no_argument, NULL, OPT_HELP},
+ {"loops", required_argument, NULL, OPT_LOOPS},
+ {"mlockall", no_argument, NULL, OPT_MLOCKALL},
+ {"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", required_argument, NULL, OPT_THREADS},
+ {"verbose", no_argument, NULL, OPT_VERBOSE},
{NULL, 0, NULL, 0}
};
int c = getopt_long(argc, argv, "a::b:D:hl:mp:qSt:v",
@@ -237,6 +247,7 @@ static void process_options(int argc, char *argv[], unsigned int max_cpus)
if (c == -1)
break;
switch (c) {
+ case OPT_AFFINITY:
case 'a':
option_affinity = 1;
/* smp sets AFFINITY_USEALL in OPT_SMP */
@@ -262,14 +273,39 @@ static void process_options(int argc, char *argv[], unsigned int max_cpus)
printf("Using %u cpus.\n",
numa_bitmask_weight(affinity_mask));
break;
- case 'b': tracelimit = atoi(optarg); break;
- case 'D': duration = parse_time_string(optarg); break;
+ case OPT_BREAKTRACE:
+ case 'b':
+ tracelimit = atoi(optarg);
+ break;
+ case OPT_DURATION:
+ case 'D':
+ duration = parse_time_string(optarg);
+ break;
+ case OPT_HELP:
case '?':
- case 'h': display_help(0); break;
- case 'l': max_cycles = atoi(optarg); break;
- case 'm': lockall = 1; break;
- case 'p': priority = atoi(optarg); break;
- case 'q': quiet = 1; break;
+ case 'h':
+ display_help(0);
+ break;
+ case OPT_LOOPS:
+ case 'l':
+ max_cycles = atoi(optarg);
+ break;
+ case OPT_MLOCKALL:
+ case 'm':
+ lockall = 1;
+ 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':
if (numa)
fatal("numa and smp options are mutually exclusive\n");
@@ -277,8 +313,13 @@ static void process_options(int argc, char *argv[], unsigned int max_cpus)
num_threads = -1; /* update after parsing */
setaffinity = AFFINITY_USEALL;
break;
- case 't': num_threads = atoi(optarg); break;
- case 'v': verbose = 1; break;
+ case OPT_THREADS:
+ case 't':
+ num_threads = atoi(optarg);
+ break;
+ case OPT_VERBOSE:
+ case 'v': verbose = 1;
+ break;
}
}
@@ -339,6 +380,28 @@ static void print_stat(struct thread_param *par, int index, int verbose)
}
}
+static void write_stats(FILE *f, void *data)
+{
+ struct thread_param *par = data;
+ struct thread_stat *s;
+ unsigned int i;
+
+ fprintf(f, " \"num_threads\": %d,\n", num_threads);
+ fprintf(f, " \"thread\": {\n");
+ for (i = 0; i < num_threads; i++) {
+ fprintf(f, " \"%u\": {\n", i);
+ s = &par->stats[i];
+ fprintf(f, " \"cycles\": %" PRIu64 ",\n", s->cycles);
+ fprintf(f, " \"min\": %" PRIu64 ",\n", s->min);
+ fprintf(f, " \"max\": %" PRIu64 ",\n", s->max);
+ fprintf(f, " \"avg\": %.2f,\n", s->avg/s->cycles);
+ fprintf(f, " \"cpu\": %d\n", par->cpu);
+ fprintf(f, " }%s\n", i == num_threads - 1 ? "" : ",");
+
+ }
+ fprintf(f, " }\n");
+}
+
int main(int argc, char **argv)
{
sigset_t sigset;
@@ -494,6 +557,9 @@ int main(int argc, char **argv)
if (stat[i].values)
free(stat[i].values);
}
+ if (strlen(outfile) != 0)
+ rt_write_json(outfile, argc, argv, write_stats, par);
+
free(stat);
outpar:
free(par);
--
2.30.0
