| Kconfig.debug (2c55d703391acf7e9101da596d0c15ee03b318a3) | Kconfig.debug (be42f00b73a0f50710d16eb7cb4efda0cce062dd) |
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| 1# SPDX-License-Identifier: GPL-2.0-only 2# 3# RCU-related debugging configuration options 4# 5 6menu "RCU Debugging" 7 8config PROVE_RCU --- 78 unchanged lines hidden (view full) --- 87 help 88 If a given expedited RCU grace period extends more than the 89 specified number of milliseconds, a CPU stall warning is printed. 90 If the RCU grace period persists, additional CPU stall warnings 91 are printed at more widely spaced intervals. A value of zero 92 says to use the RCU_CPU_STALL_TIMEOUT value converted from 93 seconds to milliseconds. 94 | 1# SPDX-License-Identifier: GPL-2.0-only 2# 3# RCU-related debugging configuration options 4# 5 6menu "RCU Debugging" 7 8config PROVE_RCU --- 78 unchanged lines hidden (view full) --- 87 help 88 If a given expedited RCU grace period extends more than the 89 specified number of milliseconds, a CPU stall warning is printed. 90 If the RCU grace period persists, additional CPU stall warnings 91 are printed at more widely spaced intervals. A value of zero 92 says to use the RCU_CPU_STALL_TIMEOUT value converted from 93 seconds to milliseconds. 94 |
| 95config RCU_CPU_STALL_CPUTIME 96 bool "Provide additional RCU stall debug information" 97 depends on RCU_STALL_COMMON 98 default n 99 help 100 Collect statistics during the sampling period, such as the number of 101 (hard interrupts, soft interrupts, task switches) and the cputime of 102 (hard interrupts, soft interrupts, kernel tasks) are added to the 103 RCU stall report. For multiple continuous RCU stalls, all sampling 104 periods begin at half of the first RCU stall timeout. 105 The boot option rcupdate.rcu_cpu_stall_cputime has the same function 106 as this one, but will override this if it exists. 107 |
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| 95config RCU_TRACE 96 bool "Enable tracing for RCU" 97 depends on DEBUG_KERNEL 98 default y if TREE_RCU 99 select TRACE_CLOCK 100 help 101 This option enables additional tracepoints for ftrace-style 102 event tracing. --- 31 unchanged lines hidden --- | 108config RCU_TRACE 109 bool "Enable tracing for RCU" 110 depends on DEBUG_KERNEL 111 default y if TREE_RCU 112 select TRACE_CLOCK 113 help 114 This option enables additional tracepoints for ftrace-style 115 event tracing. --- 31 unchanged lines hidden --- |