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-rw-r--r--Documentation/accounting/getdelays.c44
1 files changed, 29 insertions, 15 deletions
diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c
index bf2b0e2f87e1..93dd04f86a27 100644
--- a/Documentation/accounting/getdelays.c
+++ b/Documentation/accounting/getdelays.c
@@ -7,6 +7,8 @@
7 * Copyright (C) Balbir Singh, IBM Corp. 2006 7 * Copyright (C) Balbir Singh, IBM Corp. 2006
8 * Copyright (c) Jay Lan, SGI. 2006 8 * Copyright (c) Jay Lan, SGI. 2006
9 * 9 *
10 * Compile with
11 * gcc -I/usr/src/linux/include getdelays.c -o getdelays
10 */ 12 */
11 13
12#include <stdio.h> 14#include <stdio.h>
@@ -35,13 +37,19 @@
35#define NLA_DATA(na) ((void *)((char*)(na) + NLA_HDRLEN)) 37#define NLA_DATA(na) ((void *)((char*)(na) + NLA_HDRLEN))
36#define NLA_PAYLOAD(len) (len - NLA_HDRLEN) 38#define NLA_PAYLOAD(len) (len - NLA_HDRLEN)
37 39
38#define err(code, fmt, arg...) do { printf(fmt, ##arg); exit(code); } while (0) 40#define err(code, fmt, arg...) \
39int done = 0; 41 do { \
40int rcvbufsz=0; 42 fprintf(stderr, fmt, ##arg); \
41 43 exit(code); \
42 char name[100]; 44 } while (0)
43int dbg=0, print_delays=0; 45
46int done;
47int rcvbufsz;
48char name[100];
49int dbg;
50int print_delays;
44__u64 stime, utime; 51__u64 stime, utime;
52
45#define PRINTF(fmt, arg...) { \ 53#define PRINTF(fmt, arg...) { \
46 if (dbg) { \ 54 if (dbg) { \
47 printf(fmt, ##arg); \ 55 printf(fmt, ##arg); \
@@ -78,8 +86,9 @@ static int create_nl_socket(int protocol)
78 if (rcvbufsz) 86 if (rcvbufsz)
79 if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, 87 if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF,
80 &rcvbufsz, sizeof(rcvbufsz)) < 0) { 88 &rcvbufsz, sizeof(rcvbufsz)) < 0) {
81 printf("Unable to set socket rcv buf size to %d\n", 89 fprintf(stderr, "Unable to set socket rcv buf size "
82 rcvbufsz); 90 "to %d\n",
91 rcvbufsz);
83 return -1; 92 return -1;
84 } 93 }
85 94
@@ -277,7 +286,7 @@ int main(int argc, char *argv[])
277 mypid = getpid(); 286 mypid = getpid();
278 id = get_family_id(nl_sd); 287 id = get_family_id(nl_sd);
279 if (!id) { 288 if (!id) {
280 printf("Error getting family id, errno %d", errno); 289 fprintf(stderr, "Error getting family id, errno %d\n", errno);
281 goto err; 290 goto err;
282 } 291 }
283 PRINTF("family id %d\n", id); 292 PRINTF("family id %d\n", id);
@@ -288,7 +297,7 @@ int main(int argc, char *argv[])
288 &cpumask, strlen(cpumask) + 1); 297 &cpumask, strlen(cpumask) + 1);
289 PRINTF("Sent register cpumask, retval %d\n", rc); 298 PRINTF("Sent register cpumask, retval %d\n", rc);
290 if (rc < 0) { 299 if (rc < 0) {
291 printf("error sending register cpumask\n"); 300 fprintf(stderr, "error sending register cpumask\n");
292 goto err; 301 goto err;
293 } 302 }
294 } 303 }
@@ -298,7 +307,7 @@ int main(int argc, char *argv[])
298 cmd_type, &tid, sizeof(__u32)); 307 cmd_type, &tid, sizeof(__u32));
299 PRINTF("Sent pid/tgid, retval %d\n", rc); 308 PRINTF("Sent pid/tgid, retval %d\n", rc);
300 if (rc < 0) { 309 if (rc < 0) {
301 printf("error sending tid/tgid cmd\n"); 310 fprintf(stderr, "error sending tid/tgid cmd\n");
302 goto done; 311 goto done;
303 } 312 }
304 } 313 }
@@ -310,13 +319,15 @@ int main(int argc, char *argv[])
310 PRINTF("received %d bytes\n", rep_len); 319 PRINTF("received %d bytes\n", rep_len);
311 320
312 if (rep_len < 0) { 321 if (rep_len < 0) {
313 printf("nonfatal reply error: errno %d\n", errno); 322 fprintf(stderr, "nonfatal reply error: errno %d\n",
323 errno);
314 continue; 324 continue;
315 } 325 }
316 if (msg.n.nlmsg_type == NLMSG_ERROR || 326 if (msg.n.nlmsg_type == NLMSG_ERROR ||
317 !NLMSG_OK((&msg.n), rep_len)) { 327 !NLMSG_OK((&msg.n), rep_len)) {
318 struct nlmsgerr *err = NLMSG_DATA(&msg); 328 struct nlmsgerr *err = NLMSG_DATA(&msg);
319 printf("fatal reply error, errno %d\n", err->error); 329 fprintf(stderr, "fatal reply error, errno %d\n",
330 err->error);
320 goto done; 331 goto done;
321 } 332 }
322 333
@@ -365,7 +376,9 @@ int main(int argc, char *argv[])
365 goto done; 376 goto done;
366 break; 377 break;
367 default: 378 default:
368 printf("Unknown nested nla_type %d\n", na->nla_type); 379 fprintf(stderr, "Unknown nested"
380 " nla_type %d\n",
381 na->nla_type);
369 break; 382 break;
370 } 383 }
371 len2 += NLA_ALIGN(na->nla_len); 384 len2 += NLA_ALIGN(na->nla_len);
@@ -374,7 +387,8 @@ int main(int argc, char *argv[])
374 break; 387 break;
375 388
376 default: 389 default:
377 printf("Unknown nla_type %d\n", na->nla_type); 390 fprintf(stderr, "Unknown nla_type %d\n",
391 na->nla_type);
378 break; 392 break;
379 } 393 }
380 na = (struct nlattr *) (GENLMSG_DATA(&msg) + len); 394 na = (struct nlattr *) (GENLMSG_DATA(&msg) + len);