The patch titled
proc-export-statistics-for-softirq-to-proc-update
has been added to the -mm tree. Its filename is
proc-export-statistics-for-softirq-to-proc-update-2.patch
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------------------------------------------------------
Subject: proc-export-statistics-for-softirq-to-proc-update
From: Keika Kobayashi <kobayashi.kk@xxxxxxxxxxxxxx>
/proc/softirqs and /proc/stat have been changed.
This patch updates proc.txt for these usage.
Cc: Hiroshi Shimamoto <h-shimamoto@xxxxxxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Eric Dumazet <dada1@xxxxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/filesystems/proc.txt | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff -puN Documentation/filesystems/proc.txt~proc-export-statistics-for-softirq-to-proc-update-2 Documentation/filesystems/proc.txt
--- a/Documentation/filesystems/proc.txt~proc-export-statistics-for-softirq-to-proc-update-2
+++ a/Documentation/filesystems/proc.txt
@@ -283,6 +283,7 @@ Table 1-4: Kernel info in /proc
rtc Real time clock
scsi SCSI info (see text)
slabinfo Slab pool info
+ softirqs softirq usage
stat Overall statistics
swaps Swap space utilization
sys See chapter 2
@@ -597,6 +598,25 @@ on the kind of area :
0xffffffffa0017000-0xffffffffa0022000 45056 sys_init_module+0xc27/0x1d00 ...
pages=10 vmalloc N0=10
+..............................................................................
+
+softirqs:
+
+Provides counts of softirq handlers serviced since boot time, for each cpu.
+
+> cat /proc/softirqs
+ CPU0 CPU1 CPU2 CPU3
+ HI: 0 0 0 0
+ TIMER: 27166 27120 27097 27034
+ NET_TX: 0 0 0 17
+ NET_RX: 42 0 0 39
+ BLOCK: 0 0 107 1121
+ TASKLET: 0 0 0 290
+ SCHED: 27035 26983 26971 26746
+ HRTIMER: 0 0 0 0
+ RCU: 1678 1769 2178 2250
+
+
1.3 IDE devices in /proc/ide
----------------------------
@@ -883,6 +903,7 @@ since the system first booted. For a qu
processes 2915
procs_running 1
procs_blocked 0
+ softirq 183433 0 21755 12 39 1137 231 21459 2263
The very first "cpu" line aggregates the numbers in all of the other "cpuN"
lines. These numbers identify the amount of time the CPU has spent performing
@@ -918,6 +939,11 @@ CPUs.
The "procs_blocked" line gives the number of processes currently blocked,
waiting for I/O to complete.
+The "softirq" line gives counts of softirqs serviced since boot time, for each
+of the possible system softirqs. The first column is the total of all
+softirqs serviced; each subsequent column is the total for that particular
+softirq.
+
1.9 Ext4 file system parameters
------------------------------
_
Patches currently in -mm which might be from kobayashi.kk@xxxxxxxxxxxxxx are
softirq-introduce-statistics-for-softirq.patch
proc-export-statistics-for-softirq-to-proc.patch
proc-export-statistics-for-softirq-to-proc-update.patch
proc-export-statistics-for-softirq-to-proc-update-2.patch
proc-update-document-for-proc-softirqs-and-proc-stat.patch
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