diff options
| author | David S. Miller <davem@davemloft.net> | 2012-11-10 18:32:51 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-10 18:32:51 -0500 |
| commit | d4185bbf62a5d8d777ee445db1581beb17882a07 (patch) | |
| tree | 024b0badbd7c970b1983be6d8c345cc4a290cb31 /fs/proc/stat.c | |
| parent | c075b13098b399dc565b4d53f42047a8d40ed3ba (diff) | |
| parent | a375413311b39005ef281bfd71ae8f4e3df22e97 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
Minor conflict between the BCM_CNIC define removal in net-next
and a bug fix added to net. Based upon a conflict resolution
patch posted by Stephen Rothwell.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/proc/stat.c')
| -rw-r--r-- | fs/proc/stat.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/proc/stat.c b/fs/proc/stat.c index 64c3b317236..e296572c73e 100644 --- a/fs/proc/stat.c +++ b/fs/proc/stat.c @@ -45,10 +45,13 @@ static cputime64_t get_iowait_time(int cpu) static u64 get_idle_time(int cpu) { - u64 idle, idle_time = get_cpu_idle_time_us(cpu, NULL); + u64 idle, idle_time = -1ULL; + + if (cpu_online(cpu)) + idle_time = get_cpu_idle_time_us(cpu, NULL); if (idle_time == -1ULL) - /* !NO_HZ so we can rely on cpustat.idle */ + /* !NO_HZ or cpu offline so we can rely on cpustat.idle */ idle = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE]; else idle = usecs_to_cputime64(idle_time); @@ -58,10 +61,13 @@ static u64 get_idle_time(int cpu) static u64 get_iowait_time(int cpu) { - u64 iowait, iowait_time = get_cpu_iowait_time_us(cpu, NULL); + u64 iowait, iowait_time = -1ULL; + + if (cpu_online(cpu)) + iowait_time = get_cpu_iowait_time_us(cpu, NULL); if (iowait_time == -1ULL) - /* !NO_HZ so we can rely on cpustat.iowait */ + /* !NO_HZ or cpu offline so we can rely on cpustat.iowait */ iowait = kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT]; else iowait = usecs_to_cputime64(iowait_time); |