[PATCH] Documentation: fix getdelays.c example -l option and segv

From: Michael Neuling
Date: Fri Aug 10 2007 - 04:25:17 EST


Fix a couple of minor issues with the getdelays.c example code.

Signed-off-by: Michael Neuling <mikey@xxxxxxxxxxx>
---
Documentation/accounting/getdelays.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)

Index: linux-2.6-ozlabs/Documentation/accounting/getdelays.c
===================================================================
--- linux-2.6-ozlabs.orig/Documentation/accounting/getdelays.c
+++ linux-2.6-ozlabs/Documentation/accounting/getdelays.c
@@ -196,7 +196,7 @@ void print_delayacct(struct taskstats *t
"IO %15s%15s\n"
" %15llu%15llu\n"
"MEM %15s%15s\n"
- " %15llu%15llu\n"
+ " %15llu%15llu\n",
"count", "real total", "virtual total", "delay total",
t->cpu_count, t->cpu_run_real_total, t->cpu_run_virtual_total,
t->cpu_delay_total,
@@ -335,17 +335,17 @@ int main(int argc, char *argv[])
}
}

- if (tid) {
- rc = send_cmd(nl_sd, id, mypid, TASKSTATS_CMD_GET,
- cmd_type, &tid, sizeof(__u32));
- PRINTF("Sent pid/tgid, retval %d\n", rc);
- if (rc < 0) {
- fprintf(stderr, "error sending tid/tgid cmd\n");
- goto done;
+ do {
+ if (tid) {
+ rc = send_cmd(nl_sd, id, mypid, TASKSTATS_CMD_GET,
+ cmd_type, &tid, sizeof(__u32));
+ PRINTF("Sent pid/tgid, retval %d\n", rc);
+ if (rc < 0) {
+ fprintf(stderr, "error sending tid/tgid cmd\n");
+ goto done;
+ }
}
- }

- do {
int i;

rep_len = recv(nl_sd, &msg, sizeof(msg), 0);
@@ -430,6 +430,7 @@ int main(int argc, char *argv[])
}
na = (struct nlattr *) (GENLMSG_DATA(&msg) + len);
}
+ sleep(2);
} while (loop);
done:
if (maskset) {




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