diff options
| -rw-r--r-- | trafgen.8 | 3 | ||||
| -rw-r--r-- | trafgen.c | 11 |
2 files changed, 11 insertions, 3 deletions
@@ -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 @@ -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); |