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-rw-r--r--trafgen.83
-rw-r--r--trafgen.c11
2 files changed, 11 insertions, 3 deletions
diff --git a/trafgen.8 b/trafgen.8
index 1958f4b..6288ba5 100644
--- a/trafgen.8
+++ b/trafgen.8
@@ -158,6 +158,9 @@ some ring buffer statistics.
Show a built-in packet configuration example. This might be a good starting
point for an initial packet configuration scenario.
.PP
+.SS -C, --no-cpu-stats
+Do not print CPU time statistics on exit.
+.PP
.SS -v, --version
Show version information and exit.
.PP
diff --git a/trafgen.c b/trafgen.c
index 2e32f09..735cdcb 100644
--- a/trafgen.c
+++ b/trafgen.c
@@ -77,7 +77,7 @@ size_t plen = 0;
struct packet_dyn *packet_dyn = NULL;
size_t dlen = 0;
-static const char *short_options = "d:c:n:t:vJhS:rk:i:o:VRs:P:eE:pu:g:";
+static const char *short_options = "d:c:n:t:vJhS:rk:i:o:VRs:P:eE:pu:g:C";
static const struct option long_options[] = {
{"dev", required_argument, NULL, 'd'},
{"out", required_argument, NULL, 'o'},
@@ -93,6 +93,7 @@ static const struct option long_options[] = {
{"user", required_argument, NULL, 'u'},
{"group", required_argument, NULL, 'g'},
{"jumbo-support", no_argument, NULL, 'J'},
+ {"no-cpu-stats", no_argument, NULL, 'C'},
{"cpp", no_argument, NULL, 'p'},
{"rfraw", no_argument, NULL, 'R'},
{"rand", no_argument, NULL, 'r'},
@@ -186,6 +187,7 @@ static void __noreturn help(void)
" -u|--user <userid> Drop privileges and change to userid\n"
" -g|--group <groupid> Drop privileges and change to groupid\n"
" -V|--verbose Be more verbose\n"
+ " -C|--no-cpu-stats Do not print CPU time statistics on exit\n"
" -v|--version Show version and exit\n"
" -e|--example Show built-in packet config example\n"
" -h|--help Guess what?!\n\n"
@@ -875,7 +877,7 @@ static unsigned int generate_srand_seed(void)
int main(int argc, char **argv)
{
- bool slow = false, invoke_cpp = false, reseed = true;
+ bool slow = false, invoke_cpp = false, reseed = true, cpustats = true;
int c, opt_index, i, j, vals[4] = {0}, irq;
char *confname = NULL, *ptr;
unsigned long cpus_tmp, orig_num = 0;
@@ -896,6 +898,9 @@ int main(int argc, char **argv)
case 'v':
version();
break;
+ case 'C':
+ cpustats = false;
+ break;
case 'e':
example();
break;
@@ -1085,7 +1090,7 @@ int main(int argc, char **argv)
printf("\n");
printf("\r%12llu packets outgoing\n", tx_packets);
printf("\r%12llu bytes outgoing\n", tx_bytes);
- for (i = 0; i < ctx.cpus; i++) {
+ for (i = 0; cpustats && i < ctx.cpus; i++) {
printf("\r%12lu sec, %lu usec on CPU%d (%llu packets)\n",
stats[i].tv_sec, stats[i].tv_usec, i,
stats[i].tx_packets);