diff options
| -rw-r--r-- | Documentation/accounting/getdelays.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c index ab82b7f..d6cb1a8 100644 --- a/Documentation/accounting/getdelays.c +++ b/Documentation/accounting/getdelays.c @@ -25,6 +25,7 @@ #include <linux/genetlink.h> #include <linux/taskstats.h> +#include <linux/cgroupstats.h> /* * Generic macros for dealing with netlink sockets. Might be duplicated @@ -78,6 +79,7 @@ static void usage(void) fprintf(stderr, " -i: print IO accounting (works only with -p)\n"); fprintf(stderr, " -l: listen forever\n"); fprintf(stderr, " -v: debug on\n"); + fprintf(stderr, " -C: container path\n"); } /* @@ -212,6 +214,14 @@ void task_context_switch_counts(struct taskstats *t) t->nvcsw, t->nivcsw); } +void print_cgroupstats(struct cgroupstats *c) +{ + printf("sleeping %llu, blocked %llu, running %llu, stopped %llu, " + "uninterruptible %llu\n", c->nr_sleeping, c->nr_io_wait, + c->nr_running, c->nr_stopped, c->nr_uninterruptible); +} + + void print_ioacct(struct taskstats *t) { printf("%s: read=%llu, write=%llu, cancelled_write=%llu\n", @@ -239,11 +249,14 @@ int main(int argc, char *argv[]) int maskset = 0; char *logfile = NULL; int loop = 0; + int containerset = 0; + char containerpath[1024]; + int cfd = 0; struct msgtemplate msg; while (1) { - c = getopt(argc, argv, "qdiw:r:m:t:p:vl"); + c = getopt(argc, argv, "qdiw:r:m:t:p:vlC:"); if (c < 0) break; @@ -260,6 +273,10 @@ int main(int argc, char *argv[]) printf("printing task/process context switch rates\n"); print_task_context_switch_counts = 1; break; + case 'C': + containerset = 1; + strncpy(containerpath, optarg, strlen(optarg) + 1); + break; case 'w': logfile = strdup(optarg); printf("write to file %s\n", logfile); @@ -334,6 +351,11 @@ int main(int argc, char *argv[]) } } + if (tid && containerset) { + fprintf(stderr, "Select either -t or -C, not both\n"); + goto err; + } + if (tid) { rc = send_cmd(nl_sd, id, mypid, TASKSTATS_CMD_GET, cmd_type, &tid, sizeof(__u32)); @@ -344,6 +366,20 @@ int main(int argc, char *argv[]) } } + if (containerset) { + cfd = open(containerpath, O_RDONLY); + if (cfd < 0) { + perror("error opening container file"); + goto err; + } + rc = send_cmd(nl_sd, id, mypid, CGROUPSTATS_CMD_GET, + CGROUPSTATS_CMD_ATTR_FD, &cfd, sizeof(__u32)); + if (rc < 0) { + perror("error sending cgroupstats command"); + goto err; + } + } + do { int i; @@ -422,6 +458,9 @@ int main(int argc, char *argv[]) } break; + case CGROUPSTATS_TYPE_CGROUP_STATS: + print_cgroupstats(NLA_DATA(na)); + break; default: fprintf(stderr, "Unknown nla_type %d\n", na->nla_type); @@ -443,5 +482,7 @@ err: close(nl_sd); if (fd) close(fd); + if (cfd) + close(cfd); return 0; } |
