diff options
Diffstat (limited to 'Documentation/RCU/trace.txt')
-rw-r--r-- | Documentation/RCU/trace.txt | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/Documentation/RCU/trace.txt b/Documentation/RCU/trace.txt index 8608fd85e921..efd8cc95c06b 100644 --- a/Documentation/RCU/trace.txt +++ b/Documentation/RCU/trace.txt | |||
@@ -256,23 +256,23 @@ o Each element of the form "1/1 0:127 ^0" represents one struct | |||
256 | The output of "cat rcu/rcu_pending" looks as follows: | 256 | The output of "cat rcu/rcu_pending" looks as follows: |
257 | 257 | ||
258 | rcu_sched: | 258 | rcu_sched: |
259 | 0 np=255892 qsp=53936 cbr=0 cng=14417 gpc=10033 gps=24320 nf=6445 nn=146741 | 259 | 0 np=255892 qsp=53936 rpq=85 cbr=0 cng=14417 gpc=10033 gps=24320 nf=6445 nn=146741 |
260 | 1 np=261224 qsp=54638 cbr=0 cng=25723 gpc=16310 gps=2849 nf=5912 nn=155792 | 260 | 1 np=261224 qsp=54638 rpq=33 cbr=0 cng=25723 gpc=16310 gps=2849 nf=5912 nn=155792 |
261 | 2 np=237496 qsp=49664 cbr=0 cng=2762 gpc=45478 gps=1762 nf=1201 nn=136629 | 261 | 2 np=237496 qsp=49664 rpq=23 cbr=0 cng=2762 gpc=45478 gps=1762 nf=1201 nn=136629 |
262 | 3 np=236249 qsp=48766 cbr=0 cng=286 gpc=48049 gps=1218 nf=207 nn=137723 | 262 | 3 np=236249 qsp=48766 rpq=98 cbr=0 cng=286 gpc=48049 gps=1218 nf=207 nn=137723 |
263 | 4 np=221310 qsp=46850 cbr=0 cng=26 gpc=43161 gps=4634 nf=3529 nn=123110 | 263 | 4 np=221310 qsp=46850 rpq=7 cbr=0 cng=26 gpc=43161 gps=4634 nf=3529 nn=123110 |
264 | 5 np=237332 qsp=48449 cbr=0 cng=54 gpc=47920 gps=3252 nf=201 nn=137456 | 264 | 5 np=237332 qsp=48449 rpq=9 cbr=0 cng=54 gpc=47920 gps=3252 nf=201 nn=137456 |
265 | 6 np=219995 qsp=46718 cbr=0 cng=50 gpc=42098 gps=6093 nf=4202 nn=120834 | 265 | 6 np=219995 qsp=46718 rpq=12 cbr=0 cng=50 gpc=42098 gps=6093 nf=4202 nn=120834 |
266 | 7 np=249893 qsp=49390 cbr=0 cng=72 gpc=38400 gps=17102 nf=41 nn=144888 | 266 | 7 np=249893 qsp=49390 rpq=42 cbr=0 cng=72 gpc=38400 gps=17102 nf=41 nn=144888 |
267 | rcu_bh: | 267 | rcu_bh: |
268 | 0 np=146741 qsp=1419 cbr=0 cng=6 gpc=0 gps=0 nf=2 nn=145314 | 268 | 0 np=146741 qsp=1419 rpq=6 cbr=0 cng=6 gpc=0 gps=0 nf=2 nn=145314 |
269 | 1 np=155792 qsp=12597 cbr=0 cng=0 gpc=4 gps=8 nf=3 nn=143180 | 269 | 1 np=155792 qsp=12597 rpq=3 cbr=0 cng=0 gpc=4 gps=8 nf=3 nn=143180 |
270 | 2 np=136629 qsp=18680 cbr=0 cng=0 gpc=7 gps=6 nf=0 nn=117936 | 270 | 2 np=136629 qsp=18680 rpq=1 cbr=0 cng=0 gpc=7 gps=6 nf=0 nn=117936 |
271 | 3 np=137723 qsp=2843 cbr=0 cng=0 gpc=10 gps=7 nf=0 nn=134863 | 271 | 3 np=137723 qsp=2843 rpq=0 cbr=0 cng=0 gpc=10 gps=7 nf=0 nn=134863 |
272 | 4 np=123110 qsp=12433 cbr=0 cng=0 gpc=4 gps=2 nf=0 nn=110671 | 272 | 4 np=123110 qsp=12433 rpq=0 cbr=0 cng=0 gpc=4 gps=2 nf=0 nn=110671 |
273 | 5 np=137456 qsp=4210 cbr=0 cng=0 gpc=6 gps=5 nf=0 nn=133235 | 273 | 5 np=137456 qsp=4210 rpq=1 cbr=0 cng=0 gpc=6 gps=5 nf=0 nn=133235 |
274 | 6 np=120834 qsp=9902 cbr=0 cng=0 gpc=6 gps=3 nf=2 nn=110921 | 274 | 6 np=120834 qsp=9902 rpq=2 cbr=0 cng=0 gpc=6 gps=3 nf=2 nn=110921 |
275 | 7 np=144888 qsp=26336 cbr=0 cng=0 gpc=8 gps=2 nf=0 nn=118542 | 275 | 7 np=144888 qsp=26336 rpq=0 cbr=0 cng=0 gpc=8 gps=2 nf=0 nn=118542 |
276 | 276 | ||
277 | As always, this is once again split into "rcu_sched" and "rcu_bh" | 277 | As always, this is once again split into "rcu_sched" and "rcu_bh" |
278 | portions, with CONFIG_TREE_PREEMPT_RCU kernels having an additional | 278 | portions, with CONFIG_TREE_PREEMPT_RCU kernels having an additional |
@@ -284,6 +284,9 @@ o "np" is the number of times that __rcu_pending() has been invoked | |||
284 | o "qsp" is the number of times that the RCU was waiting for a | 284 | o "qsp" is the number of times that the RCU was waiting for a |
285 | quiescent state from this CPU. | 285 | quiescent state from this CPU. |
286 | 286 | ||
287 | o "rpq" is the number of times that the CPU had passed through | ||
288 | a quiescent state, but not yet reported it to RCU. | ||
289 | |||
287 | o "cbr" is the number of times that this CPU had RCU callbacks | 290 | o "cbr" is the number of times that this CPU had RCU callbacks |
288 | that had passed through a grace period, and were thus ready | 291 | that had passed through a grace period, and were thus ready |
289 | to be invoked. | 292 | to be invoked. |