| /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
[all …]
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| /linux/kernel/trace/ |
| H A D | Kconfig | 161 Adds a very slight overhead to tracing when enabled.
166 select TRACING
173 # enabled by all tracers (context switch and event tracer) they select TRACING.
176 # GENERIC_TRACER and TRACING to avoid circular dependencies to accomplish the
179 config TRACING
192 select TRACING
196 # be able to offer generic tracing facilities:
209 Enable the kernel tracing infrastructure.
215 depends on TRACING
218 The tracing interfac
175 config TRACING global() config
[all...] |
| H A D | trace_selftest.c | 54 /* disable tracing */ in trace_test_buffer_cpu()
370 /* enable tracing, and record the filter function */ in trace_selftest_startup_dynamic_tracing()
386 /* enable tracing */ in trace_selftest_startup_dynamic_tracing()
413 /* stop the tracing. */ in trace_selftest_startup_dynamic_tracing()
431 /* Test the ops with global tracing running */ in trace_selftest_startup_dynamic_tracing()
438 /* Enable tracing on all functions again */ in trace_selftest_startup_dynamic_tracing()
441 /* Test the ops with global tracing off */ in trace_selftest_startup_dynamic_tracing()
474 * tracing utility. in trace_selftest_test_recursion_safe_func()
503 /* enable tracing, and record the filter function */ in trace_selftest_function_recursion()
619 /* enable tracing, and record the filter function */ in trace_selftest_function_regs()
[all …]
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| /linux/tools/testing/selftests/ftrace/test.d/ftrace/ |
| H A D | func_traceonoff_triggers.tc | 10 # tracing, enabling or disabling trace events, or recording a stack trace
13 # This test is designed to test enabling and disabling tracing triggers
23 echo "Testing function probes with enabling disabling tracing:"
29 echo '** DISABLE TRACING'
43 echo '** ENABLE TRACING'
85 fail "Tracing is not stopped"
90 fail "Tracing is not off"
99 fail "Tracing file is still changing"
106 fail "Tracing is still happeing"
118 fail "Tracing is started again"
[all …]
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| /linux/Documentation/trace/ |
| 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
26 Mmiotrace feature is compiled in by the CONFIG_MMIOTRACE option. Tracing is
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
[all …]
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| 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 | uprobetracer.rst | 2 Uprobe-tracer: Uprobe-based Event Tracing
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
[all …]
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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:
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| H A D | kprobetrace.rst | 2 Kprobe-based Event Tracing
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
155 under tracing/events/kprobes/<EVENT>, at the directory you can see 'id',
177 /sys/kernel/tracing/kprobe_profile.
201 …echo 'p:myprobe do_sys_open dfd=%ax filename=%dx flags=%cx mode=+4($stack)' > /sys/kernel/tracing/…
211 echo 'r:myretprobe do_sys_open $retval' >> /sys/kernel/tracing/kprobe_events
216 /sys/kernel/tracing/events/kprobes/<EVENT>/format.
219 cat /sys/kernel/tracing/events/kprobes/myprobe/format
[all …]
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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
134 Additional Tracing
173 approach: measuring thread and tracing.
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| H A D | user_events.rst | 2 user_events: User-based Event Tracing
14 /sys/kernel/tracing/user_events_status and can both register and write
15 data out via /sys/kernel/tracing/user_events_data.
17 Programs can also use /sys/kernel/tracing/dynamic_events to register and
27 on the /sys/kernel/tracing/user_events_data file.
38 /sys/kernel/tracing/user_events_data file. The command to issue is
121 events need to use /sys/kernel/tracing/events/user_events/[name]/enable
168 /sys/kernel/tracing/user_events_data file. The command to issue is
183 be deleted then the /sys/kernel/tracing/dynamic_events file should be used for
189 be disabled via ioctl() out to the /sys/kernel/tracing/user_events_data file.
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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
|
| /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"
|
| /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.
[all …]
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| /linux/tools/testing/selftests/powerpc/mm/ |
| H A D | stress_code_patching.sh | 13 if [ ! -e "$DEBUFS_DIR/tracing/current_tracer" ]
15 echo "Tracing files not found, skipping" 1>&2
22 if grep -q "FUNCTION TRACING IS CORRUPTED" "$DEBUFS_DIR/tracing/trace"
33 echo function > $DEBUFS_DIR/tracing/current_tracer
34 echo nop > $DEBUFS_DIR/tracing/current_tracer
41 echo nop > $DEBUFS_DIR/tracing/current_tracer
|
| /linux/include/asm-generic/ |
| H A D | syscall.h | 28 * tracing about to attempt one, returns the system call number.
48 * It's only valid to call this when @task is stopped for tracing on
56 * @task: task of interest, must be in system call exit tracing
60 * call exit tracing (due to %SYSCALL_WORK_SYSCALL_TRACE or
68 * register state looked like at system call entry tracing.
79 * It's only valid to call this when @task is stopped for tracing on exit
93 * It's only valid to call this when @task is stopped for tracing on exit
111 * It's only valid to call this when @task is stopped for tracing on exit
127 * It's only valid to call this when @task is stopped for tracing on
136 * @task: task of interest, must be in system call entry tracing
[all …]
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| /linux/tools/testing/selftests/ftrace/test.d/00basic/ |
| H A D | snapshot.tc | 2 # description: Snapshot and tracing setting
6 echo "Set tracing off"
15 echo "Ensure keep tracing off"
18 echo "Set tracing on"
24 echo "Ensure keep tracing on"
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| /linux/tools/testing/selftests/bpf/prog_tests/ |
| H A D | trace_ext.c | 69 /* open tracing */ in test_trace_ext()
71 if (CHECK(!skel_trace, "setup", "tracing/test_pkt_md_access_new open failed\n")) in test_trace_ext()
74 /* set tracing's attach target - fentry */ in test_trace_ext()
78 /* set tracing's attach target - fexit */ in test_trace_ext()
82 /* load/attach tracing */ in test_trace_ext()
84 if (!ASSERT_OK(err, "tracing/test_pkt_md_access_new load")) { in test_trace_ext()
91 if (!ASSERT_OK(err, "tracing/test_pkt_md_access_new attach")) in test_trace_ext()
|
| /linux/Documentation/filesystems/nfs/ |
| H A D | nfsd-io-modes.rst | 133 Tracing:
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/tools/testing/selftests/user_events/ |
| H A D | user_events_selftests.h | 16 umount("/sys/kernel/tracing"); in tracefs_unmount()
29 ret = stat("/sys/kernel/tracing", &buf); in tracefs_enabled()
37 ret = stat("/sys/kernel/tracing/README", &buf); in tracefs_enabled()
40 if (mount(NULL, "/sys/kernel/tracing", "tracefs", 0, NULL) != 0) { in tracefs_enabled()
48 ret = stat("/sys/kernel/tracing/README", &buf); in tracefs_enabled()
79 ret = stat("/sys/kernel/tracing/user_events_data", &buf); in user_events_enabled()
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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
|
| /linux/tools/testing/selftests/bpf/progs/ |
| H A D | verifier_helper_restricted.c | 78 __failure __msg("tracing progs cannot use bpf_spin_lock yet") in bpf_prog_type_raw_tracepoint_1()
101 __failure __msg("tracing progs cannot use bpf_spin_lock yet") in in_bpf_prog_type_kprobe_2()
124 __failure __msg("tracing progs cannot use bpf_spin_lock yet") in bpf_prog_type_perf_event_2()
147 __failure __msg("tracing progs cannot use bpf_spin_lock yet") in in_bpf_prog_type_tracepoint_2()
|
| /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。
|
| /linux/drivers/net/wireless/broadcom/brcm80211/ |
| H A D | Kconfig | 28 bool "Broadcom device tracing"
30 depends on TRACING
34 Tracing can be enabled at runtime to aid in debugging wireless
35 issues. This option adds a small amount of overhead when tracing
|
| /linux/scripts/tracing/ |
| H A D | ftrace-bisect.sh | 7 # tracer or function graph tracing that causes the machine to reboot, hang, or
10 # First, determine if function tracing is working with a single function:
12 # (note, if this is a problem with function_graph tracing, then simply
15 # # cd /sys/kernel/tracing
56 # # cd /sys/kernel/tracing
88 # enabling function tracing in the above steps. Or if you can compile the
|