| /Linux-v5.10/tools/virtio/virtio-trace/ |
| D | README | 1 Trace Agent for virtio-trace
4 Trace agent is a user tool for sending trace data of a guest to a Host in low
5 overhead. Trace agent has the following functions:
8 - write trace data to stdout by using -o option
11 The trace agent operates as follows:
16 4) After the controller of the trace agent receives a start order from a host,
18 5) The read/write threads start to read trace data from ring-buffers and
21 stop to read trace data.
28 Makefile: Makefile of trace agent for virtio-trace
29 trace-agent.c: includes main function, sets up for operating trace agent
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| /Linux-v5.10/tools/perf/ |
| D | builtin-trace.c | 2 * builtin-trace.c
4 * Builtin 'trace' command:
6 * Display a continuously updated trace of any workload, CPU, specific PID,
12 * Initially based on the 'trace' prototype by Thomas Gleixner:
14 * http://lwn.net/Articles/415728/ ("Announcing a new utility: 'trace'")
52 #include "trace/beauty/beauty.h"
53 #include "trace-event.h"
117 struct trace { struct
289 * The evsel->priv as used by 'perf trace'
719 #include "trace/beauty/generated/fsconfig_arrays.c"
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| /Linux-v5.10/drivers/hwtracing/intel_th/ |
| D | Kconfig | 3 tristate "Intel(R) Trace Hub controller"
6 Intel(R) Trace Hub (TH) is a set of hardware blocks (subdevices) that
7 produce, switch and output trace data from multiple hardware and
8 software sources over several types of trace output ports encoded
9 in System Trace Protocol (MIPI STPv2) and is intended to perform
16 Say Y here to enable Intel(R) Trace Hub controller support.
21 tristate "Intel(R) Trace Hub PCI controller"
24 Intel(R) Trace Hub may exist as a PCI device. This option enables
30 tristate "Intel(R) Trace Hub ACPI controller"
33 Intel(R) Trace Hub may exist as an ACPI device. This option enables
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| /Linux-v5.10/arch/mips/kernel/ |
| D | stacktrace.c | 3 * Stack trace management functions
17 static void save_raw_context_stack(struct stack_trace *trace, in save_raw_context_stack() argument
27 if (trace->skip > 0) in save_raw_context_stack()
28 trace->skip--; in save_raw_context_stack()
30 trace->entries[trace->nr_entries++] = addr; in save_raw_context_stack()
31 if (trace->nr_entries >= trace->max_entries) in save_raw_context_stack()
37 static void save_context_stack(struct stack_trace *trace, in save_context_stack() argument
50 save_raw_context_stack(trace, sp, savesched); in save_context_stack()
55 if (trace->skip > 0) in save_context_stack()
56 trace->skip--; in save_context_stack()
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| /Linux-v5.10/Documentation/trace/coresight/ |
| D | coresight-etm4x-reference.rst | 23 :Trace Registers: {CONFIGR + others}
25 Bit select trace features. See ‘mode’ section below. Bits
26 in this will cause equivalent programming of trace config and
32 bitfield up to 32 bits setting trace features.
40 :Trace Registers: All
42 Reset all programming to trace nothing / no logic programmed.
50 :Trace Registers: PRGCTLR, All hardware regs.
53 and enables trace.
55 - = 0 : disable trace hardware.
63 :Trace Registers: None.
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| /Linux-v5.10/arch/openrisc/kernel/ |
| D | stacktrace.c | 2 * Stack trace utility for OpenRISC
28 struct stack_trace *trace = data; in save_stack_address() local
33 if (trace->skip > 0) { in save_stack_address()
34 trace->skip--; in save_stack_address()
38 if (trace->nr_entries < trace->max_entries) in save_stack_address()
39 trace->entries[trace->nr_entries++] = addr; in save_stack_address()
42 void save_stack_trace(struct stack_trace *trace) in save_stack_trace() argument
44 unwind_stack(trace, (unsigned long *) &trace, save_stack_address); in save_stack_trace()
51 struct stack_trace *trace = (struct stack_trace *)data; in save_stack_address_nosched() local
59 if (trace->skip > 0) { in save_stack_address_nosched()
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| /Linux-v5.10/kernel/ |
| D | stacktrace.c | 5 * Stack trace management functions
18 * stack_trace_print - Print the entries in the stack trace
37 * stack_trace_snprint - Print the entries in the stack trace into a buffer
104 * stack_trace_save - Save a stack trace into a storage array
107 * @skipnr: Number of entries to skip at the start of the stack trace
109 * Return: Number of trace entries stored.
127 * stack_trace_save_tsk - Save a task stack trace into a storage array
131 * @skipnr: Number of entries to skip at the start of the stack trace
133 * Return: Number of trace entries stored.
155 * stack_trace_save_regs - Save a stack trace based on pt_regs into a storage array
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| /Linux-v5.10/Documentation/trace/ |
| D | intel_th.rst | 4 Intel(R) Trace Hub (TH)
10 Intel(R) Trace Hub (TH) is a set of hardware blocks that produce,
11 switch and output trace data from multiple hardware and software
12 sources over several types of trace output ports encoded in System
13 Trace Protocol (MIPI STPv2) and is intended to perform full system
14 debugging. For more information on the hardware, see Intel(R) Trace
17 It consists of trace sources, trace destinations (outputs) and a
18 switch (Global Trace Hub, GTH). These devices are placed on a bus of
23 - Software Trace Hub (STH), trace source, which is a System Trace
25 - Memory Storage Unit (MSU), trace output, which allows storing
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| D | stm.rst | 4 System Trace Module
7 System Trace Module (STM) is a device described in MIPI STP specs as
8 STP trace stream generator. STP (System Trace Protocol) is a trace
9 protocol multiplexing data from multiple trace sources, each one of
12 hardware trace sources, others are available to software. Software
13 trace sources are usually free to pick for themselves any
16 On the receiving end of this STP stream (the decoder side), trace
18 order for the decoder to be able to make sense of the trace that
19 involves multiple trace sources, it needs to be able to map those
20 master/channel pairs to the trace sources that it understands.
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| /Linux-v5.10/arch/sh/kernel/ |
| D | stacktrace.c | 5 * Stack trace management functions
23 struct stack_trace *trace = data; in save_stack_address() local
28 if (trace->skip > 0) { in save_stack_address()
29 trace->skip--; in save_stack_address()
33 if (trace->nr_entries < trace->max_entries) in save_stack_address()
34 trace->entries[trace->nr_entries++] = addr; in save_stack_address()
41 void save_stack_trace(struct stack_trace *trace) in save_stack_trace() argument
45 unwind_stack(current, NULL, sp, &save_stack_ops, trace); in save_stack_trace()
52 struct stack_trace *trace = (struct stack_trace *)data; in save_stack_address_nosched() local
60 if (trace->skip > 0) { in save_stack_address_nosched()
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| /Linux-v5.10/tools/testing/selftests/ftrace/test.d/kprobe/ |
| D | kprobe_ftrace.tc | 13 echo > trace
15 grep testprobe trace
16 ! grep "$FUNCTION_FORK <-" trace
20 echo > trace
22 grep testprobe trace
23 grep "$FUNCTION_FORK <-" trace
27 echo > trace
29 ! grep testprobe trace
30 grep "$FUNCTION_FORK <-" trace
35 echo > trace
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| /Linux-v5.10/tools/lib/traceevent/Documentation/ |
| D | libtraceevent-tseq.txt | 9 Initialize / destroy a trace sequence.
16 *#include <trace-seq.h>*
32 Trace sequences are used to allow a function to call several other functions
35 The _trace_seq_init()_ function initializes the trace sequence _s_.
37 The _trace_seq_destroy()_ function destroys the trace sequence _s_ and frees
40 The _trace_seq_reset()_ function re-initializes the trace sequence _s_. All
43 The _trace_seq_terminate()_ function terminates the trace sequence _s_. It puts
46 The _trace_seq_putc()_ function puts a single character _c_ in the trace
50 trace sequence _s_.
53 variable arguments _..._ in the trace sequence _s_.
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| /Linux-v5.10/drivers/s390/scsi/ |
| D | zfcp_dbf.h | 28 * struct zfcp_dbf_rec_trigger - trace record for triggered recovery action
42 * struct zfcp_dbf_rec_running - trace record for running recovery
58 * enum zfcp_dbf_rec_id - recovery trace record id
68 * struct zfcp_dbf_rec - trace record for error recovery actions
97 * enum zfcp_dbf_san_id - SAN trace record identifier
98 * @ZFCP_DBF_SAN_REQ: request trace record id
99 * @ZFCP_DBF_SAN_RES: response trace record id
108 /** struct zfcp_dbf_san - trace record for SAN requests and responses
126 * struct zfcp_dbf_hba_res - trace record for hba responses
146 * struct zfcp_dbf_hba_uss - trace record for unsolicited status
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| /Linux-v5.10/tools/testing/selftests/ftrace/test.d/event/ |
| D | trace_printk.tc | 5 rmmod trace-printk ||:
6 if ! modprobe trace-printk ; then
7 echo "No trace-printk sample module - please make CONFIG_SAMPLE_TRACE_PRINTK=m"
14 grep -q ": This .* trace_bputs" trace
15 grep -q ": This .* trace_puts" trace
16 grep -q ": This .* trace_bprintk" trace
17 grep -q ": This .* trace_printk" trace
19 grep -q ": (irq) .* trace_bputs" trace
20 grep -q ": (irq) .* trace_puts" trace
21 grep -q ": (irq) .* trace_bprintk" trace
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| /Linux-v5.10/arch/arm/kernel/ |
| D | stacktrace.c | 91 struct stack_trace *trace; member
99 struct stack_trace *trace = data->trace; in save_trace() local
110 trace->entries[trace->nr_entries++] = addr; in save_trace()
112 if (trace->nr_entries >= trace->max_entries) in save_trace()
122 trace->entries[trace->nr_entries++] = regs->ARM_pc; in save_trace()
124 return trace->nr_entries >= trace->max_entries; in save_trace()
129 struct stack_trace *trace, unsigned int nosched) in __save_stack_trace() argument
134 data.trace = trace; in __save_stack_trace()
135 data.skip = trace->skip; in __save_stack_trace()
164 void save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace) in save_stack_trace_regs() argument
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| /Linux-v5.10/drivers/hwtracing/coresight/ |
| D | Kconfig | 13 and trace drivers to register themselves with. It's intended to build
16 trace source gets enabled.
26 responsible for transporting and collecting the trace data
27 respectively. Link and sinks are dynamically aggregated with a trace
28 entity at run time to form a complete trace path.
38 This enables support for the Trace Memory Controller driver.
40 trace router - ETR) or sink (embedded trace FIFO). The driver
53 lookup. CATU helps TMC ETR to use a large physically non-contiguous trace
65 This enables support for the Trace Port Interface Unit driver,
67 components and a trace for bridging the gap between the on-chip
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| /Linux-v5.10/arch/sparc/kernel/ |
| D | stacktrace.c | 14 struct stack_trace *trace, in __save_stack_trace() argument
55 if (trace->skip > 0) in __save_stack_trace()
56 trace->skip--; in __save_stack_trace()
58 trace->entries[trace->nr_entries++] = pc; in __save_stack_trace()
66 if (trace->nr_entries < in __save_stack_trace()
67 trace->max_entries) in __save_stack_trace()
68 trace->entries[trace->nr_entries++] = pc; in __save_stack_trace()
74 } while (trace->nr_entries < trace->max_entries); in __save_stack_trace()
77 void save_stack_trace(struct stack_trace *trace) in save_stack_trace() argument
79 __save_stack_trace(current_thread_info(), trace, false); in save_stack_trace()
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| /Linux-v5.10/arch/powerpc/kernel/ |
| D | stacktrace.c | 4 * Stack trace utility functions etc.
29 static void save_context_stack(struct stack_trace *trace, unsigned long sp, in save_context_stack() argument
43 if (!trace->skip) in save_context_stack()
44 trace->entries[trace->nr_entries++] = ip; in save_context_stack()
46 trace->skip--; in save_context_stack()
49 if (trace->nr_entries >= trace->max_entries) in save_context_stack()
56 void save_stack_trace(struct stack_trace *trace) in save_stack_trace() argument
62 save_context_stack(trace, sp, current, 1); in save_stack_trace()
66 void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) in save_stack_trace_tsk() argument
78 save_context_stack(trace, sp, tsk, 0); in save_stack_trace_tsk()
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| /Linux-v5.10/arch/parisc/kernel/ |
| D | stacktrace.c | 3 * Stack trace management functions
16 static void dump_trace(struct task_struct *task, struct stack_trace *trace) in dump_trace() argument
23 trace->nr_entries = 0; in dump_trace()
24 while (trace->nr_entries < trace->max_entries) { in dump_trace()
29 trace->entries[trace->nr_entries++] = info.ip; in dump_trace()
36 void save_stack_trace(struct stack_trace *trace) in save_stack_trace() argument
38 dump_trace(current, trace); in save_stack_trace()
42 void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) in save_stack_trace_tsk() argument
44 dump_trace(tsk, trace); in save_stack_trace_tsk()
|
| /Linux-v5.10/kernel/trace/ |
| D | trace_selftest.c | 2 /* Include in trace.c */
55 printk(KERN_CONT ".. corrupted trace buffer .. "); in trace_test_buffer_cpu()
60 * Test the trace buffer to see if all the elements
97 static inline void warn_failed_init_tracer(struct tracer *trace, int init_ret) in warn_failed_init_tracer() argument
100 trace->name, init_ret); in warn_failed_init_tracer()
208 * Probe 1 will trace function 1. in trace_selftest_ops()
209 * Probe 2 will trace function 2. in trace_selftest_ops()
210 * Probe 3 will trace functions 1 and 2. in trace_selftest_ops()
325 static int trace_selftest_startup_dynamic_tracing(struct tracer *trace, in trace_selftest_startup_dynamic_tracing() argument
355 ret = tracer_init(trace, tr); in trace_selftest_startup_dynamic_tracing()
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| D | Kconfig | 16 See Documentation/trace/ftrace-design.rst
21 See Documentation/trace/ftrace-design.rst
26 See Documentation/trace/ftrace-design.rst
37 See Documentation/trace/ftrace-design.rst
42 See Documentation/trace/ftrace-design.rst
153 Enable the kernel to trace every kernel function. This is done
168 Enable the kernel to trace a function at both its return
170 Its first purpose is to trace the duration of functions and
185 can function trace, and this table is linked into the kernel
223 bool "Trace max stack"
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| /Linux-v5.10/net/core/ |
| D | net-traces.c | 3 * consolidates trace point definitions
30 #include <trace/events/skb.h>
31 #include <trace/events/net.h>
32 #include <trace/events/napi.h>
33 #include <trace/events/sock.h>
34 #include <trace/events/udp.h>
35 #include <trace/events/tcp.h>
36 #include <trace/events/fib.h>
37 #include <trace/events/qdisc.h>
39 #include <trace/events/bridge.h>
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| /Linux-v5.10/arch/ia64/kernel/ |
| D | stacktrace.c | 5 * Stack trace management functions
15 struct stack_trace *trace = arg; in ia64_do_save_stack() local
17 int skip = trace->skip; in ia64_do_save_stack()
19 trace->nr_entries = 0; in ia64_do_save_stack()
25 trace->entries[trace->nr_entries++] = ip; in ia64_do_save_stack()
26 if (trace->nr_entries == trace->max_entries) in ia64_do_save_stack()
36 void save_stack_trace(struct stack_trace *trace) in save_stack_trace() argument
38 unw_init_running(ia64_do_save_stack, trace); in save_stack_trace()
|
| /Linux-v5.10/drivers/usb/host/ |
| D | imx21-dbg.c | 121 struct debug_isoc_trace *trace = &imx21->isoc_trace[ in debug_isoc_submitted() local
125 trace->schedule_frame = td->frame; in debug_isoc_submitted()
126 trace->submit_frame = frame; in debug_isoc_submitted()
127 trace->request_len = td->len; in debug_isoc_submitted()
128 trace->td = td; in debug_isoc_submitted()
134 struct debug_isoc_trace *trace, *trace_failed; in debug_isoc_completed() local
138 trace = imx21->isoc_trace; in debug_isoc_completed()
139 for (i = 0; i < ARRAY_SIZE(imx21->isoc_trace); i++, trace++) { in debug_isoc_completed()
140 if (trace->td == td) { in debug_isoc_completed()
141 trace->done_frame = frame; in debug_isoc_completed()
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| /Linux-v5.10/arch/x86/mm/ |
| D | mmio-mod.c | 137 struct remap_trace *trace = p->private; in pre() local
139 /* it doesn't make sense to have more than one active trace per cpu */ in pre()
149 my_trace->phys = addr - trace->probe.addr + trace->phys; in pre()
150 my_trace->map_id = trace->id; in pre()
225 struct remap_trace *trace = kmalloc(sizeof(*trace), GFP_KERNEL); in ioremap_trace_core() local
234 if (!trace) { in ioremap_trace_core()
239 *trace = (struct remap_trace) { in ioremap_trace_core()
245 .private = trace in ioremap_trace_core()
250 map.map_id = trace->id; in ioremap_trace_core()
254 kfree(trace); in ioremap_trace_core()
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