This patch was dropped from the -mm tree and not merged back. Updated with
the name change of containerstats to cgroupstats
Signed-off-by: Balbir Singh <[email protected]>
---
Documentation/accounting/getdelays.c | 43 ++++++++++++++++++++++++++++++++++-
1 file changed, 42 insertions(+), 1 deletion(-)
diff -puN Documentation/accounting/getdelays.c~csstats Documentation/accounting/getdelays.c
--- linux-2.6-latest/Documentation/accounting/getdelays.c~csstats 2007-11-02 13:17:52.000000000 +0530
+++ linux-2.6-latest-balbir/Documentation/accounting/getdelays.c 2007-11-02 13:21:31.000000000 +0530
@@ -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 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;
}
_
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
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