diff options
Diffstat (limited to 'Documentation/RCU/stallwarn.txt')
-rw-r--r-- | Documentation/RCU/stallwarn.txt | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/Documentation/RCU/stallwarn.txt b/Documentation/RCU/stallwarn.txt index 523364e4e1f..1927151b386 100644 --- a/Documentation/RCU/stallwarn.txt +++ b/Documentation/RCU/stallwarn.txt | |||
@@ -99,7 +99,7 @@ In kernels with CONFIG_RCU_FAST_NO_HZ, even more information is | |||
99 | printed: | 99 | printed: |
100 | 100 | ||
101 | INFO: rcu_preempt detected stall on CPU | 101 | INFO: rcu_preempt detected stall on CPU |
102 | 0: (64628 ticks this GP) idle=dd5/3fffffffffffffff/0 drain=0 . timer=-1 | 102 | 0: (64628 ticks this GP) idle=dd5/3fffffffffffffff/0 drain=0 . timer not pending |
103 | (t=65000 jiffies) | 103 | (t=65000 jiffies) |
104 | 104 | ||
105 | The "(64628 ticks this GP)" indicates that this CPU has taken more | 105 | The "(64628 ticks this GP)" indicates that this CPU has taken more |
@@ -116,13 +116,13 @@ number between the two "/"s is the value of the nesting, which will | |||
116 | be a small positive number if in the idle loop and a very large positive | 116 | be a small positive number if in the idle loop and a very large positive |
117 | number (as shown above) otherwise. | 117 | number (as shown above) otherwise. |
118 | 118 | ||
119 | For CONFIG_RCU_FAST_NO_HZ kernels, the "drain=0" indicates that the | 119 | For CONFIG_RCU_FAST_NO_HZ kernels, the "drain=0" indicates that the CPU is |
120 | CPU is not in the process of trying to force itself into dyntick-idle | 120 | not in the process of trying to force itself into dyntick-idle state, the |
121 | state, the "." indicates that the CPU has not given up forcing RCU | 121 | "." indicates that the CPU has not given up forcing RCU into dyntick-idle |
122 | into dyntick-idle mode (it would be "H" otherwise), and the "timer=-1" | 122 | mode (it would be "H" otherwise), and the "timer not pending" indicates |
123 | indicates that the CPU has not recented forced RCU into dyntick-idle | 123 | that the CPU has not recently forced RCU into dyntick-idle mode (it |
124 | mode (it would otherwise indicate the number of microseconds remaining | 124 | would otherwise indicate the number of microseconds remaining in this |
125 | in this forced state). | 125 | forced state). |
126 | 126 | ||
127 | 127 | ||
128 | Multiple Warnings From One Stall | 128 | Multiple Warnings From One Stall |