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[PATCH] getdelays: various fixes

Browse Source 
- Various cleanups

- Report errors to stderr, not stdout

- A printf was missing a \n and was hiding from me.

Cc: Jay Lan <jlan@sgi.com>
Cc: Shailabh Nagar <nagar@watson.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Chris Sturtivant <csturtiv@sgi.com>
Cc: Tony Ernst <tee@sgi.com>
Cc: Guillaume Thouvenin <guillaume.thouvenin@bull.net>
Cc: David Wright <daw@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andrew Morton 2006-12-10 02:19:55 -08:00 committed by Linus Torvalds
parent 4a7864ca63
commit d2f7bf1346
1 changed files with 28 additions and 14 deletions
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42
Documentation/accounting/getdelays.c
View File

@ -7,6 +7,8 @@
* Copyright (C) Balbir Singh, IBM Corp. 2006
* Copyright (c) Jay Lan, SGI. 2006
*
* Compile with
* gcc -I/usr/src/linux/include getdelays.c -o getdelays
*/
#include <stdio.h>
@ -35,13 +37,19 @@
#define NLA_DATA(na) ((void *)((char*)(na) + NLA_HDRLEN))
#define NLA_PAYLOAD(len) (len - NLA_HDRLEN)
#define err(code, fmt, arg...) do { printf(fmt, ##arg); exit(code); } while (0)
int done = 0;
int rcvbufsz=0;
#define err(code, fmt, arg...) \
do { \
fprintf(stderr, fmt, ##arg); \
exit(code); \
} while (0)
char name[100];
int dbg=0, print_delays=0;
int done;
int rcvbufsz;
char name[100];
int dbg;
int print_delays;
__u64 stime, utime;
#define PRINTF(fmt, arg...) { \
if (dbg) { \
printf(fmt, ##arg); \
@ -78,8 +86,9 @@ static int create_nl_socket(int protocol)
if (rcvbufsz)
if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF,
&rcvbufsz, sizeof(rcvbufsz)) < 0) {
printf("Unable to set socket rcv buf size to %d\n",
rcvbufsz);
fprintf(stderr, "Unable to set socket rcv buf size "
"to %d\n",
rcvbufsz);
return -1;
}
@ -277,7 +286,7 @@ int main(int argc, char *argv[])
mypid = getpid();
id = get_family_id(nl_sd);
if (!id) {
printf("Error getting family id, errno %d", errno);
fprintf(stderr, "Error getting family id, errno %d\n", errno);
goto err;
}
PRINTF("family id %d\n", id);
@ -288,7 +297,7 @@ int main(int argc, char *argv[])
&cpumask, strlen(cpumask) + 1);
PRINTF("Sent register cpumask, retval %d\n", rc);
if (rc < 0) {
printf("error sending register cpumask\n");
fprintf(stderr, "error sending register cpumask\n");
goto err;
}
}
@ -298,7 +307,7 @@ int main(int argc, char *argv[])
cmd_type, &tid, sizeof(__u32));
PRINTF("Sent pid/tgid, retval %d\n", rc);
if (rc < 0) {
printf("error sending tid/tgid cmd\n");
fprintf(stderr, "error sending tid/tgid cmd\n");
goto done;
}
}
@ -310,13 +319,15 @@ int main(int argc, char *argv[])
PRINTF("received %d bytes\n", rep_len);
if (rep_len < 0) {
printf("nonfatal reply error: errno %d\n", errno);
fprintf(stderr, "nonfatal reply error: errno %d\n",
errno);
continue;
}
if (msg.n.nlmsg_type == NLMSG_ERROR ||
!NLMSG_OK((&msg.n), rep_len)) {
struct nlmsgerr *err = NLMSG_DATA(&msg);
printf("fatal reply error, errno %d\n", err->error);
fprintf(stderr, "fatal reply error, errno %d\n",
err->error);
goto done;
}
@ -365,7 +376,9 @@ int main(int argc, char *argv[])
goto done;
break;
default:
printf("Unknown nested nla_type %d\n", na->nla_type);
fprintf(stderr, "Unknown nested"
" nla_type %d\n",
na->nla_type);
break;
}
len2 += NLA_ALIGN(na->nla_len);
@ -374,7 +387,8 @@ int main(int argc, char *argv[])
break;
default:
printf("Unknown nla_type %d\n", na->nla_type);
fprintf(stderr, "Unknown nla_type %d\n",
na->nla_type);
break;
}
na = (struct nlattr *) (GENLMSG_DATA(&msg) + len);