| /openbmc/linux/drivers/net/ethernet/mellanox/mlx5/core/diag/ |
| H A D | fw_tracer.c | 37 static int mlx5_query_mtrc_caps(struct mlx5_fw_tracer *tracer) in mlx5_query_mtrc_caps() argument
39 u32 *string_db_base_address_out = tracer->str_db.base_address_out; in mlx5_query_mtrc_caps()
40 u32 *string_db_size_out = tracer->str_db.size_out; in mlx5_query_mtrc_caps()
41 struct mlx5_core_dev *dev = tracer->dev; in mlx5_query_mtrc_caps()
60 tracer->trc_ver = MLX5_GET(mtrc_cap, out, trc_ver); in mlx5_query_mtrc_caps()
61 tracer->str_db.first_string_trace = in mlx5_query_mtrc_caps()
63 tracer->str_db.num_string_trace = in mlx5_query_mtrc_caps()
65 tracer->str_db.num_string_db = MLX5_GET(mtrc_cap, out, num_string_db); in mlx5_query_mtrc_caps()
66 tracer->owner = !!MLX5_GET(mtrc_cap, out, trace_owner); in mlx5_query_mtrc_caps()
67 tracer->str_db.loaded = false; in mlx5_query_mtrc_caps()
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| H A D | fw_tracer_tracepoint.h | 44 TP_PROTO(const struct mlx5_fw_tracer *tracer, u64 trace_timestamp,
47 TP_ARGS(tracer, trace_timestamp, lost, event_id, msg),
50 __string(dev_name, dev_name(tracer->dev->device))
59 dev_name(tracer->dev->device));
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| H A D | fw_tracer.h | 197 int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer);
198 void mlx5_fw_tracer_cleanup(struct mlx5_fw_tracer *tracer);
199 void mlx5_fw_tracer_destroy(struct mlx5_fw_tracer *tracer);
201 int mlx5_fw_tracer_get_saved_traces_objects(struct mlx5_fw_tracer *tracer,
203 int mlx5_fw_tracer_reload(struct mlx5_fw_tracer *tracer);
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| /openbmc/linux/security/apparmor/ |
| H A D | task.c | 248 struct aa_label *tracer, u32 request, in profile_tracee_perm() argument
251 if (profile_unconfined(tracee) || unconfined(tracer) || in profile_tracee_perm()
255 return profile_ptrace_perm(cred, tracee, tracer, request, ad); in profile_tracee_perm()
259 struct aa_profile *tracer, in profile_tracer_perm() argument
263 if (profile_unconfined(tracer)) in profile_tracer_perm()
266 if (ANY_RULE_MEDIATES(&tracer->rules, AA_CLASS_PTRACE)) in profile_tracer_perm()
267 return profile_ptrace_perm(cred, tracer, tracee, request, ad); in profile_tracer_perm()
270 if (&tracer->label == tracee) in profile_tracer_perm()
273 ad->subj_label = &tracer->label; in profile_tracer_perm()
276 ad->error = aa_capable(cred, &tracer->label, CAP_SYS_PTRACE, in profile_tracer_perm()
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| /openbmc/linux/security/yama/ |
| H A D | yama_lsm.c | 31 struct task_struct *tracer; member
141 static int yama_ptracer_add(struct task_struct *tracer, in yama_ptracer_add() argument
151 added->tracer = tracer; in yama_ptracer_add()
179 static void yama_ptracer_del(struct task_struct *tracer, in yama_ptracer_del() argument
190 (tracer && relation->tracer == tracer)) { in yama_ptracer_del()
247 struct task_struct *tracer; in yama_task_prctl() local
249 tracer = find_get_task_by_vpid(arg2); in yama_task_prctl()
250 if (!tracer) { in yama_task_prctl()
253 rc = yama_ptracer_add(tracer, myself); in yama_task_prctl()
254 put_task_struct(tracer); in yama_task_prctl()
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| /openbmc/linux/tools/testing/selftests/ftrace/test.d/direct/ |
| H A D | ftrace-direct.tc | 19 tracer=$1
22 echo $tracer > current_tracer
28 echo $tracer > current_tracer
35 echo $tracer > current_tracer
41 echo $tracer > current_tracer
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| /openbmc/linux/Documentation/tools/rtla/ |
| H A D | rtla-timerlat.rst | 19 The *timerlat* tracer outputs information in two ways. It periodically
23 from the *timerlat* tracer. The **rtla hist hist** mode displays a histogram
24 of each tracer event occurrence. For further details, please refer to the
31 Prints the summary from *timerlat* tracer.
51 *timerlat* tracer documentation: <https://www.kernel.org/doc/html/latest/trace/timerlat-tracer.html>
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| H A D | rtla-osnoise-hist.rst | 5 Display a histogram of the osnoise tracer samples
20 The tool also allows many configurations of the *osnoise* tracer and the
21 collection of the tracer output.
33 In the example below, *osnoise* tracer threads are set to run with real-time
60 *osnoise* tracer documentation: <https://www.kernel.org/doc/html/latest/trace/osnoise-tracer.html>
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| H A D | common_osnoise_description.rst | 1 The **rtla osnoise** tool is an interface for the *osnoise* tracer. The
2 *osnoise* tracer dispatches a kernel thread per-cpu. These threads read the
5 The *osnoise*'s tracer threads take note of the delta between each time
7 At the end of each period, the *osnoise* tracer displays a summary of
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| H A D | rtla-osnoise.rst | 19 The *osnoise* tracer outputs information in two ways. It periodically prints
23 mode displays information about the periodic summary from the *osnoise* tracer.
32 Prints the summary from osnoise tracer.
53 Osnoise tracer documentation: <https://www.kernel.org/doc/html/latest/trace/osnoise-tracer.html>
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| H A D | rtla-osnoise-top.rst | 18 **rtla osnoise top** collects the periodic summary from the *osnoise* tracer,
22 The tool also allows many configurations of the *osnoise* tracer and the
23 collection of the tracer output.
55 Osnoise tracer documentation: <https://www.kernel.org/doc/html/latest/trace/osnoise-tracer.html>
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| H A D | rtla-timerlat-top.rst | 20 from the *timerlat* tracer. It also provides information for each
45 In the example below, the timerlat tracer is dispatched in cpus *1-23* in the
46 automatic trace mode, instructing the tracer to stop if a *40 us* latency or
119 Note that **rtla timerlat** was dispatched without changing *timerlat* tracer
128 *timerlat* tracer documentation: <https://www.kernel.org/doc/html/latest/trace/timerlat-tracer.html>
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| H A D | rtla-timerlat-hist.rst | 19 The **rtla timerlat hist** displays a histogram of each tracer event
40 *1ms* period is also passed to the *timerlat* tracer. Auto-analysis is disabled
105 *timerlat* tracer documentation: <https://www.kernel.org/doc/html/latest/trace/timerlat-tracer.html>
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| H A D | common_timerlat_description.rst | 1 The **rtla timerlat** tool is an interface for the *timerlat* tracer. The
2 *timerlat* tracer dispatches a kernel thread per-cpu. These threads
7 The *timerlat* tracer outputs information in two ways. It periodically
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| H A D | rtla-hwnoise.rst | 20 **rtla hwnoise** collects the periodic summary from the *osnoise* tracer
25 The tool also allows the configurations of the *osnoise* tracer and the
26 collection of the tracer output.
101 Osnoise tracer documentation: <https://www.kernel.org/doc/html/latest/trace/osnoise-tracer.html>
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| H A D | common_options.rst | 3 Set the osnoise tracer to run the sample threads in the cpu-list.
42 Set scheduling parameters to the osnoise tracer threads, the format to set the priority are:
51 …Set a *cgroup* to the tracer's threads. If the **-C** option is passed without arguments, the trac…
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| H A D | common_timerlat_options.rst | 5 **-t**. By default, *timerlat* tracer uses FIFO:95 for *timerlat* threads,
10 Set the *timerlat* tracer period in microseconds.
34 adding so the measurement for the kernel-to-user and user-to-kernel to the tracer
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| /openbmc/linux/tools/perf/Documentation/ |
| H A D | perf-ftrace.txt | 61 --tracer=::
84 Select function tracer and set function filter on the given
92 Select function tracer and do not trace functions given by the
100 - call-graph - Display kernel stack trace for function tracer.
101 - irq-info - Display irq context info for function tracer.
105 Select function_graph tracer and set graph filter on the given
113 Select function_graph tracer and set graph notrace filter on the
115 for the function_graph tracer only and disables tracing for function
123 - nosleep-time - Measure on-CPU time only for function_graph tracer.
127 - depth=<n> - Set max depth for function graph tracer to follow.
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| /openbmc/linux/samples/seccomp/ |
| H A D | user-trap.c | 204 pid_t worker = 0 , tracer = 0; in main() local
282 tracer = fork(); in main()
283 if (tracer < 0) { in main()
288 if (tracer == 0) { in main()
366 if (tracer > 0) in main()
367 kill(tracer, SIGKILL); in main()
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| /openbmc/linux/Documentation/trace/ |
| H A D | timerlat-tracer.rst | 2 Timerlat tracer
5 The timerlat tracer aims to help the preemptive kernel developers to
7 the tracer sets a periodic timer that wakes up a thread. The thread then
26 # tracer: timerlat
46 The tracer creates a per-cpu kernel thread with real-time priority that
65 The timerlat tracer is built on top of osnoise tracer.
111 the values reported by the timerlat tracer (timerlat_latency)
114 The art below illustrates a CPU timeline and how the timerlat tracer
193 - timerlat tracer is enable
207 scheduled and report the thread latency via tracer - as for the kernel
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| H A D | osnoise-tracer.rst | 28 The osnoise tracer leverages the hwlat_detector by running a
33 osnoise tracer also saves an interference counter for each source of
39 source of interference. At the end of the period, the osnoise tracer
57 # tracer: osnoise
77 tracer prints a message at the end of each period for each CPU that is
83 by the osnoise tracer during the associated runtime.
98 The tracer has a set of options inside the osnoise directory, they are:
122 the osnoise tracer. These options are:
127 - PANIC_ON_STOP: call panic() if the tracer stops. This option serves to
132 allowing only NMIs and hardware-related noise, like hwlat tracer.
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| H A D | ftrace.rst | 21 Ftrace is an internal tracer designed to help out developers and
26 Although ftrace is typically considered the function tracer, it
97 This is used to set or display the current tracer
98 that is configured. Changing the current tracer clears
112 the tracer or 1 to enable it. Note, this only disables
131 (no tracer running, or tracing_on is zero), it will produce
146 "trace" file is static, and if the tracer is not
154 files. Options also exist to modify how a tracer
257 Have the function tracer only trace the threads whose PID are
263 traced by the function tracer as well. This option will also
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| /openbmc/linux/Documentation/firmware-guide/acpi/ |
| H A D | method-tracing.rst | 77 AML tracer
102 that, as the "AML tracer" logs are implemented via ACPI_DEBUG_PRINT()
104 "AML tracer" logs.
106 The following command examples illustrate the usage of the "AML tracer"
109 a. Filter out the method start/stop "AML tracer" logs when control
117 b. Filter out the method start/stop "AML tracer" when the specified
126 c. Filter out the method start/stop "AML tracer" logs when the specified
135 d. Filter out the method/opcode start/stop "AML tracer" when the
144 e. Filter out the method/opcode start/stop "AML tracer" when the
176 used to match all "AML tracer" logs.
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| /openbmc/linux/kernel/trace/ |
| H A D | trace.h | 207 struct tracer;
221 struct tracer *tracer; member
375 struct tracer *current_trace;
522 struct tracer *trace;
556 struct tracer { struct
577 int (*selftest)(struct tracer *trace, argument
588 struct tracer *next; argument
606 int tracer_init(struct tracer *t, struct trace_array *tr); argument
682 int register_tracer(struct tracer *type);
770 extern int trace_selftest_startup_function(struct tracer *trace,
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| H A D | trace_selftest.c | 97 static inline void warn_failed_init_tracer(struct tracer *trace, int init_ret) in warn_failed_init_tracer()
356 static int trace_selftest_startup_dynamic_tracing(struct tracer *trace, in trace_selftest_startup_dynamic_tracing()
691 trace_selftest_startup_function(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_function()
796 trace_selftest_startup_function_graph(struct tracer *trace, in trace_selftest_startup_function_graph()
928 trace_selftest_startup_irqsoff(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_irqsoff()
977 trace_selftest_startup_preemptoff(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_preemptoff()
1039 trace_selftest_startup_preemptirqsoff(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_preemptirqsoff()
1140 trace_selftest_startup_nop(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_nop()
1192 trace_selftest_startup_wakeup(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_wakeup()
1270 trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_branch()
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