| /linux/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/ |
| H A D | tracepoints.rst | 13 For the list of support mlx5 events, check /sys/kernel/tracing/events/mlx5/.
19 $ echo mlx5:mlx5e_configure_flower >> /sys/kernel/tracing/set_event
20 $ cat /sys/kernel/tracing/trace
26 $ echo mlx5:mlx5e_delete_flower >> /sys/kernel/tracing/set_event
27 $ cat /sys/kernel/tracing/trace
33 $ echo mlx5:mlx5e_stats_flower >> /sys/kernel/tracing/set_event
34 $ cat /sys/kernel/tracing/trace
40 $ echo mlx5:mlx5e_tc_update_neigh_used_value >> /sys/kernel/tracing/set_event
41 $ cat /sys/kernel/tracing/trace
47 $ echo mlx5:mlx5e_rep_neigh_update >> /sys/kernel/tracing/set_event
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| /linux/Documentation/translations/zh_CN/core-api/irq/ |
| H A D | irqflags-tracing.rst | 3 :Original: Documentation/core-api/irq/irqflags-tracing.rst
9 .. _cn_irqflags-tracing.rst:
17 “irq-flags tracing”（中断标志追踪）功能可以 “追踪” hardirq和softirq的状态，它让
27 的状态变化。但是一个架构可以以一种相当直接且无风险的方式启用irq-flags-tracing。
33 然后还需要做一些功能上的改变来实现对irq-flags-tracing的支持:
45 一般来说，在一个架构中，不完整的irq-flags-tracing实现是没有风险的：lockdep
46 会检测到这一点，并将自己关闭。即锁验证器仍然可靠。应该不会因为irq-tracing的错
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| /linux/Documentation/ABI/obsolete/ |
| H A D | automount-tracefs-debugfs | 1 What: /sys/kernel/debug/tracing
8 into the debugfs file system under the "tracing" directory. Access
9 to the files were in /sys/kernel/debug/tracing. As systems wanted
10 access to the tracing interface without having to enable debugfs, a
12 file system and was usually mounted in /sys/kernel/tracing.
16 the "tracing" directory of debugfs. The tracefs interface was added
19 All tooling should now be using tracefs directly and the "tracing"
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| /linux/Documentation/core-api/irq/ |
| H A D | irqflags-tracing.rst | 2 IRQ-flags state tracing
7 The "irq-flags tracing" feature "traces" hardirq and softirq state, in
21 state changes. But an architecture can be irq-flags-tracing enabled in a
30 irq-flags-tracing support:
37 irq-flags-tracing is spent in this state: look at the lockdep
40 lockdep complaint in the irq-flags-tracing functions arch support is
43 excluded from the irq-tracing [and lock validation] mechanism via
46 In general there is no risk from having an incomplete irq-flags-tracing
49 should be no crashes due to irq-tracing bugs. (except if the assembly
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| /linux/tools/perf/tests/shell/common/ |
| H A D | init.sh | 125 test -e /sys/kernel/debug/tracing/kprobe_events
130 test -e /sys/kernel/debug/tracing/uprobe_events
135 echo 0 > /sys/kernel/debug/tracing/events/enable
136 check_kprobes_available && echo > /sys/kernel/debug/tracing/kprobe_events
137 check_uprobes_available && echo > /sys/kernel/debug/tracing/uprobe_events
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| /linux/Documentation/trace/ |
| H A D | timerlat-tracer.rst | 10 goal of timerlat is tracing in such a way to help kernel developers.
16 tracing system (generally mounted at /sys/kernel/tracing).
20 [root@f32 ~]# cd /sys/kernel/tracing/
21 [root@f32 tracing]# echo timerlat > current_tracer
25 [root@f32 tracing]# cat trace
71 - stop_tracing_us: stop the system tracing if a
74 - stop_tracing_total_us: stop the system tracing if a
87 [root@f32 ~]# cd /sys/kernel/tracing/
88 [root@f32 tracing]# echo timerlat > current_tracer
89 [root@f32 tracing]# echo 1 > events/osnoise/enable
[all …]
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| H A D | mmiotrace.rst | 2 In-kernel memory-mapped I/O tracing
10 MMIO tracing was originally developed by Intel around 2003 for their Fault
12 Jeff Muizelaar created a tool for tracing MMIO accesses with the Nouveau
28 supported, but tracing is unreliable and may miss events if more than one CPU
39 $ echo mmiotrace > /sys/kernel/tracing/current_tracer
40 $ cat /sys/kernel/tracing/trace_pipe > mydump.txt &
42 $ echo "X is up" > /sys/kernel/tracing/trace_marker
43 $ echo nop > /sys/kernel/tracing/current_tracer
59 $ echo mmiotrace > /sys/kernel/tracing/current_tracer
63 $ cat /sys/kernel/tracing/trace_pipe > mydump.txt &
[all …]
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| H A D | boottime-trace.rst | 4 Boot-time tracing
12 Boot-time tracing allows users to trace boot-time process including
17 this uses bootconfig file to describe tracing feature programming.
22 Here is the list of available options for boot time tracing in
44 Stop tracing if WARN_ON() occurs.
50 Add fgraph tracing function filters.
53 Add fgraph non-tracing function filters.
65 Enable/Disable tracing on this instance when starting boot-time tracing.
88 This will take an array of tracing function filter rules.
91 This will take an array of NON-tracing function filter rules.
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| H A D | uprobetracer.rst | 15 /sys/kernel/tracing/uprobe_events, and enable it via
16 /sys/kernel/tracing/events/uprobes/<EVENT>/enable.
21 You can also use /sys/kernel/tracing/dynamic_events instead of
82 /sys/kernel/tracing/uprobe_profile. The first column is the filename,
90 echo 'p /bin/bash:0x4245c0' > /sys/kernel/tracing/uprobe_events
94 echo 'r /bin/bash:0x4245c0' > /sys/kernel/tracing/uprobe_events
98 echo '-:p_bash_0x4245c0' >> /sys/kernel/tracing/uprobe_events
102 cat /sys/kernel/tracing/uprobe_events
106 echo > /sys/kernel/tracing/uprobe_events
111 # cd /sys/kernel/tracing/
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| H A D | hwlat_detector.rst | 38 Write the ASCII text "hwlat" into the current_tracer file of the tracing system
39 (mounted at /sys/kernel/tracing or /sys/kernel/tracing). It is possible to
45 # echo hwlat > /sys/kernel/tracing/current_tracer
46 # echo 100 > /sys/kernel/tracing/tracing_thresh
48 The /sys/kernel/tracing/hwlat_detector interface contains the following files:
58 observed then the data will be written to the tracing ring buffer.
70 The following tracing directory files are used by the hwlat_detector:
72 in /sys/kernel/tracing:
|
| H A D | events.rst | 13 using the event tracing infrastructure.
15 Not all tracepoints can be traced using the event tracing system;
17 tracing information is saved into the tracing buffer, and how the
18 tracing information should be printed.
26 The events which are available for tracing can be found in the file
27 /sys/kernel/tracing/available_events.
30 to /sys/kernel/tracing/set_event. For example::
32 # echo sched_wakeup >> /sys/kernel/tracing/set_event
39 # echo '!sched_wakeup' >> /sys/kernel/tracing/set_event
43 # echo > /sys/kernel/tracing/set_event
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| H A D | events-msr.rst | 5 The x86 kernel supports tracing most MSR (Model Specific Register) accesses.
11 /sys/kernel/tracing/events/msr/
37 cat /sys/kernel/tracing/trace | decode_msr.py /usr/src/linux/include/asm/msr-index.h
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| H A D | kprobetrace.rst | 20 /sys/kernel/tracing/kprobe_events, and enable it via
21 /sys/kernel/tracing/events/kprobes/<EVENT>/enable.
23 You can also use /sys/kernel/tracing/dynamic_events instead of
166 under tracing/events/kprobes/<EVENT>, at the directory you can see 'id',
188 /sys/kernel/tracing/kprobe_profile.
212 …echo 'p:myprobe do_sys_open dfd=%ax filename=%dx flags=%cx mode=+4($stack)' > /sys/kernel/tracing/…
222 echo 'r:myretprobe do_sys_open $retval' >> /sys/kernel/tracing/kprobe_events
227 /sys/kernel/tracing/events/kprobes/<EVENT>/format.
230 cat /sys/kernel/tracing/events/kprobes/myprobe/format
253 echo > /sys/kernel/tracing/kprobe_events
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| H A D | events-nmi.rst | 7 /sys/kernel/tracing/events/nmi
34 cd /sys/kernel/tracing/events/nmi/nmi_handler
40 $ cat /sys/kernel/tracing/trace_pipe
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| H A D | osnoise-tracer.rst | 47 tracing system (generally mounted at /sys/kernel/tracing).
51 [root@f32 ~]# cd /sys/kernel/tracing/
52 [root@f32 tracing]# echo osnoise > current_tracer
56 [root@f32 tracing]# cat trace
103 - osnoise/stop_tracing_us: stop the system tracing if a single noise
106 - osnoise/stop_tracing_total_us: stop the system tracing if total noise
173 approach: measuring thread and tracing.
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| /linux/Documentation/firmware-guide/acpi/ |
| H A D | method-tracing.rst | 15 method tracing facility.
20 ACPICA provides method tracing capability. And two functions are
80 There are special log entries added by the method tracing facility at
153 Note that all above method tracing facility related module parameters can
163 All method tracing functions can be configured via ACPI module
173 The temporary debug_layer used when the tracing feature is enabled.
179 The temporary debug_level used when the tracing feature is enabled.
185 The status of the tracing feature.
187 Users can enable/disable this debug tracing feature by executing
195 Disable the method tracing feature.
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| /linux/tools/testing/selftests/powerpc/mm/ |
| H A D | stress_code_patching.sh | 33 echo function > $DEBUFS_DIR/tracing/current_tracer
34 echo nop > $DEBUFS_DIR/tracing/current_tracer
41 echo nop > $DEBUFS_DIR/tracing/current_tracer
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| /linux/tools/testing/selftests/bpf/ |
| H A D | test_ftrace.sh | 3 if [[ -e /sys/kernel/tracing/trace ]]; then
4 TR=/sys/kernel/tracing/
6 TR=/sys/kernel/debug/tracing/
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-class-intel_pmt-features | 24 ├── tracing/ # PMT tracing features
96 ├── tracing/
114 Example 'caps' content for the 'tracing' feature:
117 ├── tracing/
127 tracing Available: No
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| /linux/tools/testing/ktest/examples/include/ |
| H A D | bootconfig.conf | 60 TEST_NAME = bootconfig tracing
62 BOOTCONFIG_FILE = tracing.bconf
63 BOOTCONFIG_VERIFY = verify-tracing.sh
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| /linux/kernel/trace/ |
| H A D | Kconfig | 161 Adds a very slight overhead to tracing when enabled.
196 # be able to offer generic tracing facilities:
209 Enable the kernel tracing infrastructure.
218 The tracing interface was moved from /sys/kernel/debug/tracing
219 to /sys/kernel/tracing in 2015, but the tracing file system
232 kernel cmdline at boot time for debugging (tracing) driver
249 tracing is enabled by the administrator. If it's runtime disabled
307 This option will modify all the calls to function tracing
316 See the files in /sys/kernel/tracing:
322 otherwise has native performance as long as no tracing is active.
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| /linux/Documentation/filesystems/nfs/ |
| H A D | nfsd-io-modes.rst | 140 echo 1 > /sys/kernel/tracing/events/nfsd/nfsd_read_vector/enable
141 echo 1 > /sys/kernel/tracing/events/nfsd/nfsd_read_direct/enable
142 echo 1 > /sys/kernel/tracing/events/nfsd/nfsd_read_io_done/enable
143 echo 1 > /sys/kernel/tracing/events/xfs/xfs_file_direct_read/enable
150 echo 1 > /sys/kernel/tracing/events/nfsd/nfsd_write_opened/enable
151 echo 1 > /sys/kernel/tracing/events/nfsd/nfsd_write_direct/enable
152 echo 1 > /sys/kernel/tracing/events/nfsd/nfsd_write_io_done/enable
153 echo 1 > /sys/kernel/tracing/events/xfs/xfs_file_direct_write/enable
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| /linux/arch/powerpc/platforms/powernv/ |
| H A D | Kconfig | 32 bool "Enable runtime allocation of RAM for tracing"
36 for hardware tracing.
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| /linux/tools/lib/api/fs/ |
| H A D | tracing_path.c | 18 static void __tracing_path_set(const char *tracing, const char *mountpoint) in __tracing_path_set() argument
21 mountpoint, tracing); in __tracing_path_set()
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| /linux/tools/perf/Documentation/ |
| H A D | perf-ftrace.txt | 20 single thread tracing currently and just reads trace_pipe in text and then
75 Time (ms) to wait before starting tracing after program start.
79 Set the size of per-cpu tracing buffer, <size> is expected to
118 for the function_graph tracer only and disables tracing for function
200 disables tracing for function executed from the given function. This
206 Set the size of per-cpu tracing buffer, <size> is expected to
|