ftrace\-size (full) in projects: openbmc

Searched +full:ftrace +full:- +full:size (Results 1 – 25 of 226) sorted by relevance

/openbmc/linux/Documentation/trace/
H A D	boottime-trace.rst	1 .. SPDX-License-Identifier: GPL-2.0 4 Boot-time tracing 12 Boot-time tracing allows users to trace boot-time process including 13 device initialization with full features of ftrace including per-event 14 filter and actions, histograms, kprobe-events and synthetic-events, 23 boot config file [1]_. All options are under "ftrace." or "kernel." 27 .. [1] See :ref:`Documentation/admin-guide/bootconfig.rst <bootconfig>` 28 .. [2] See :ref:`Documentation/admin-guide/kernel-parameters.rst <kernelparameters>` 30 Ftrace Global Options 31 --------------------- [all …]
H A D	ftrace-design.rst	`12 ------------ 20 ftrace.txt file. 23 their kernel should make it all the way to dynamic ftrace support. 27 ------------- 29 Ftrace relies on these features being implemented: 30 - STACKTRACE_SUPPORT - implement save_stack_trace() 31 - TRACE_IRQFLAGS_SUPPORT - implement include/asm/irqflags.h 35 -------------------- 43 $ echo 'main(){}' \| gcc -x c -S -o - - -pg \| grep mcount 56 be (semi-)relevant. [all …]`
H A D	user_events.rst	`2 user_events: User-based Event Tracing 8 -------- 10 that can be viewed via existing tools, such as ftrace and perf. 18 tools that can read trace_events (such as ftrace and perf). The registration 31 ----------- 39 /* Input: Size of the user_reg structure being used / 40 __u32 size; 45 / Input: Enable size in bytes at address */ 63 + size: This must be set to sizeof(struct user_reg). 68 + enable_size: The size of the value specified by enable_addr. [all …]`
H A D	ftrace.rst	`2 ftrace - Function Tracer 13 - Written for: 2.6.28-rc2 14 - Updated for: 3.10 15 - Updated for: 4.13 - Copyright 2017 VMware Inc. Steven Rostedt 16 - Converted to rst format - Changbin Du <changbin.du@intel.com> 19 ------------ 21 Ftrace is an internal tracer designed to help out developers and 24 performance issues that take place outside of user-space. 26 Although ftrace is typically considered the function tracer, it 32 One of the most common uses of ftrace is the event tracing. [all …]`
/openbmc/linux/tools/perf/
H A D	builtin-ftrace.c	`1 // SPDX-License-Identifier: GPL-2.0-only 3 * builtin-ftrace.c 24 #include <subcmd/parse-options.h> 33 #include "util/ftrace.h" 35 #include "util/parse-sublevel-options.h" 58 workload_exec_errno = info->si_value.sival_int; in ftrace__workload_exec_failed_signal() 65 int fd, ret = -1; in __write_tracing_file() 66 ssize_t size = strlen(val); in __write_tracing_file() local 74 return -1; in __write_tracing_file() 96 val_copy[size] = '\n'; in __write_tracing_file() [all …]`
/openbmc/linux/tools/bootconfig/scripts/
H A D	bconf2ftrace.sh	`2 # SPDX-License-Identifier: GPL-2.0-only 5 echo "Ftrace boottime trace test tool" 6 echo "Usage: $0 [--apply\|--init] [--debug] BOOTCONFIG-FILE" 7 echo " --apply: Test actual apply to tracefs (need sudo)" 8 echo " --init: Initialize ftrace before applying (imply --apply)" 12 [ $# -eq 0 ] && usage 20 "--debug") 22 "--apply") 24 "--init") 28 [ ! -f $1 ] && usage [all …]`
/openbmc/linux/tools/perf/Documentation/
H A D	perf-ftrace.txt	`1 perf-ftrace(1) 5 ---- 6 perf-ftrace - simple wrapper for kernel's ftrace functionality 10 -------- 12 'perf ftrace' {trace\|latency} <command> 15 ----------- 16 The 'perf ftrace' command provides a collection of subcommands which use 17 kernel's ftrace infrastructure. 19 'perf ftrace trace' is a simple wrapper of the ftrace. It only supports 23 'perf ftrace latency' calculates execution latency of a given function [all …]`
/openbmc/linux/tools/power/pm-graph/
H A D	sleepgraph.8	`3 sleepgraph \- Suspend/Resume timing analysis 13 suspend and capture dmesg and ftrace data until resume is complete. 21 Generates output files in subdirectory: suspend-yymmdd-HHMMSS 24 raw ftrace file : <hostname>_<mode>_ftrace.txt 27 \fB-h\fR 30 \fB-v\fR 33 \fB-verbose\fR 36 \fB-config \fIfile\fR 39 \fB-m \fImode\fR 42 \fB-o \fIname\fR [all …]`
H A D	bootgraph.8	`3 bootgraph \- Kernel boot timing analysis 21 The tool can also augment the timeline with ftrace data on custom target 24 Generates output files in subdirectory: boot-yymmdd-HHMMSS 27 raw ftrace file : <hostname>_boot_ftrace.txt 30 \fB-h\fR 33 \fB-v\fR 36 \fB-addlogs\fR 40 \fB-result \fIfile\fR 43 \fB-o \fIname\fR 47 e.g. boot-{hostname}-{date}-{time} [all …]`
/openbmc/u-boot/lib/
H A D	trace.c	1 // SPDX-License-Identifier: GPL-2.0+ 26 * of the function from gd->relocaddr 31 struct trace_call ftrace; / The function call records / member 32 ulong ftrace_size; / Num. of ftrace records we have space for / 33 ulong ftrace_count; / Num. of ftrace records written */ 49 offset -= (uintptr_t)&_init; in func_ptr_to_num() 51 if (gd->flags & GD_FLG_RELOC) in func_ptr_to_num() 52 offset -= gd->relocaddr; in func_ptr_to_num() 54 offset -= CONFIG_SYS_TEXT_BASE; in func_ptr_to_num() 62 if (hdr->depth > hdr->depth_limit) { in add_ftrace() [all …]
/openbmc/linux/kernel/trace/
H A D	fprobe.c	1 // SPDX-License-Identifier: GPL-2.0 3 * fprobe - Simple ftrace probe wrapper for function entry. 35 if (fp->exit_handler) { in __fprobe_handler() 36 rh = rethook_try_get(fp->rethook); in __fprobe_handler() 38 fp->nmissed++; in __fprobe_handler() 42 fpr->entry_ip = ip; in __fprobe_handler() 43 fpr->entry_parent_ip = parent_ip; in __fprobe_handler() 44 if (fp->entry_data_size) in __fprobe_handler() 45 entry_data = fpr->data; in __fprobe_handler() 48 if (fp->entry_handler) in __fprobe_handler() [all …]
H A D	Kconfig	1 # SPDX-License-Identifier: GPL-2.0-only 21 API, which will be used by other function-entry hooking 27 See Documentation/trace/ftrace-design.rst 32 See Documentation/trace/ftrace-design.rst 40 See Documentation/trace/ftrace-design.rst 64 but does not want them included in the ftrace locations. 69 See Documentation/trace/ftrace-design.rst 74 See Documentation/trace/ftrace-design.rst 79 Arch supports the gcc options -pg with -mfentry 84 Arch supports the gcc options -pg with -mrecord-mcount and -nop-mcount [all …]
H A D	trace_export.c	1 // SPDX-License-Identifier: GPL-2.0 3 * trace_export.c - export basic ftrace utilities to user space 11 #include <linux/ftrace.h> 25 #define TRACE_SYSTEM ftrace 28 * The FTRACE_ENTRY_REG macro allows ftrace entry to define register 52 #define __array(type, item, size) type item[size]; argument 55 #define __stack_array(type, item, size, field) __array(type, item, size) argument 58 #define __array_desc(type, container, item, size) type item[size]; argument 78 /* force compile-time check on F_printk() */ \ 91 .size = sizeof(_type), .align = __alignof__(_type), \ [all …]
H A D	trace_boot.c	1 // SPDX-License-Identifier: GPL-2.0 4 * Tracing kernel boot-time 11 #include <linux/ftrace.h> 32 /* Common ftrace options / in trace_boot_set_instance_options() 63 pr_err("Buffer size is too small: %s\n", p); in trace_boot_set_instance_options() 133 return -ENOTSUPP; in trace_boot_add_kprobe_event() 170 return -ENOTSUPP; in trace_boot_add_synth_event() 182 return -ENOSPC; in append_printf() 185 ret = vsnprintf(bufp, end - bufp, fmt, args); in append_printf() 186 if (ret < end - bufp) { in append_printf() [all …]
H A D	ftrace.c	1 // SPDX-License-Identifier: GPL-2.0 3 * Infrastructure for profiling code inserted by 'gcc -pg'. 5 * Copyright (C) 2007-2008 Steven Rostedt <srostedt@redhat.com> 6 * Copyright (C) 2004-2008 Ingo Molnar <mingo@redhat.com> 8 * Originally ported from the -rt patch by: 13 * Copyright (C) 2004-2006 Ingo Molnar 29 #include <linux/ftrace.h> 93 /* ftrace_enabled is a method to turn ftrace o 671 int size; ftrace_profile_init_cpu() local 1223 int size = 1 << hash->size_bits; ftrace_hash_clear() local 1298 int size; alloc_ftrace_hash() local 1352 int size; alloc_and_copy_ftrace_hash() local 1391 dup_hash(struct ftrace_hash * src,int size) dup_hash() argument 1430 int size = src->count; __ftrace_hash_move() local 1621 unsigned long size; ftrace_location() local 3363 int size; t_probe_next() local 4746 int size, i; free_ftrace_func_mapper() local 4809 int size; register_ftrace_function_probe() local 4959 int size; unregister_ftrace_function_probe_func() local 5358 int size, i; remove_direct_functions_hash() local 5398 int err = -EBUSY, size, i; register_ftrace_direct() local 5530 int i, size; __modify_ftrace_direct() local 6613 unsigned int size; global() member 6983 ftrace_func_address_lookup(struct ftrace_mod_map * mod_map,unsigned long addr,unsigned long * size,unsigned long * off,char * sym) ftrace_func_address_lookup() argument 7012 ftrace_mod_address_lookup(unsigned long addr,unsigned long * size,unsigned long * off,char ** modname,char * sym) ftrace_mod_address_lookup() argument 7939 int size, i, ret; prepare_direct_functions_for_ipmodify() local 7988 int size, i; cleanup_direct_functions_after_ipmodify() local [all...]
/openbmc/u-boot/doc/
H A D	README.trace	`1 # SPDX-License-Identifier: GPL-2.0+ 5 Tracing in U-Boot 8 U-Boot supports a simple tracing feature which allows a record of excecution 14 -------- 16 The trace feature uses GCC's instrument-functions feature to trace all 23 resembles that emitted by Linux's ftrace feature, so can be visually 27 Quick-start using Sandbox 28 ------------------------- 30 Sandbox is a build of U-Boot that can run under Linux so it is a convenient 43 Build sandbox U-Boot with tracing enabled: [all …]`
/openbmc/linux/arch/s390/include/asm/
H A D	module.h	`1 /* SPDX-License-Identifier: GPL-2.0 / 5 #include <asm-generic/module.h> 23 / Size of the got. / 25 / Size of the plt. / 32 / Start of memory reserved for ftrace hotpatch trampolines. / 34 / End of memory reserved for ftrace hotpatch trampolines. / 36 / Next unused ftrace hotpatch trampoline slot. */`
/openbmc/linux/Documentation/devicetree/bindings/reserved-memory/
H A D	ramoops.yaml	1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/reserved-memory/ramoops.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 11 recovered after a reboot. This is a child-node of "/reserved-memory", and 16 as kernel log messages, or for optional ECC error-correction data. The total 17 size of these optional buffers must fit in the reserved region. 20 records. These records have a configurable size, with a size of 0 indicating 23 At least one of "record-size", "console-size", "ftrace-size", or "pmsg-size" 24 must be set non-zero, but are otherwise optional as listed below. [all …]
/openbmc/qemu/docs/devel/
H A D	tracing.rst	19 $ qemu --trace "memory_region_ops_" ... 21 …19585@1608130130.441188:memory_region_ops_read cpu 0 mr 0x562fdfbb3820 addr 0x3cc value 0x67 size 1 22 …585@1608130130.441190:memory_region_ops_write cpu 0 mr 0x562fdfbd2f00 addr 0x3d4 value 0x70e size 2 25 ``./configure --enable-trace-backends=BACKENDS`` was not explicitly specified. 27 Multiple patterns can be specified by repeating the ``--trace`` option:: 29 $ qemu --trace "kvm_" --trace "virtio_*" ... 32 file to avoid long command-line options:: 36 $ qemu --trace events=/tmp/events ... 41 Sub-directory setup 42 ------------------- [all …]
/openbmc/linux/tools/power/pm-graph/config/
H A D	example.cfg	9 # sudo ./sleepgraph.py -config config/example.cfg 14 # ---- General Options ---- 25 # output folder for html, ftrace, and dmesg. Use {date} and {time} for current values 26 output-dir: suspend-{hostname}-{date}-{time} 33 # add the dmesg and ftrace log to the html output (default: false) 49 # Enable/disable runtime suspend for all devices, restore all after test (default: no-action) 53 # Switch the display on/off for the test using xset (default: no-action) 57 # Print the status of the test run in the given file (default: no-action) 64 # ---- Advanced Options ---- 103 callloop-maxgap: 0.0001 [all …]
/openbmc/linux/include/linux/
H A D	fprobe.h	1 /* SPDX-License-Identifier: GPL-2.0 / 2 / Simple ftrace probe wrapper / 7 #include <linux/ftrace.h> 11 struct fprobe - ftrace based probe. 16 * @entry_data_size: The private data storage size. 45 /* This fprobe is soft-disabled. */ 56 return (fp) ? fp->flags & FPROBE_FL_DISABLED : false; in fprobe_disabled() 61 return (fp) ? fp->flags & FPROBE_FL_KPROBE_SHARED : false; in fprobe_shared_with_kprobes() 73 return -EOPNOTSUPP; in register_fprobe() 77 return -EOPNOTSUPP; in register_fprobe_ips() [all …]
H A D	trace.h	1 /* SPDX-License-Identifier: GPL-2.0 / 10 The trace export - an export of Ftrace output. The trace_export 12 * an addition to the current only output of Ftrace - i.e. ring buffer. 18 * next - pointer to the next trace_export 19 * write - copy traces which have been delt with ->commit() to 21 * flags - which ftrace to be exported 37 * trace_array_puts - write a constant string into the trace buffer. 43 str ? __trace_array_puts(tr, _THIS_IP_, str, strlen(str)) : -1; \ 46 const char *str, int size); 66 return -EINVAL; in register_ftrace_export() [all …]
/openbmc/linux/Documentation/admin-guide/
H A D	pstore-blk.rst	1 .. SPDX-License-Identifier: GPL-2.0 7 ------------ 10 block device and non-block device before the system crashes. You can get 13 mount -t pstore pstore /sys/fs/pstore 17 --------------------- 27 Configurations for driver are all about block device and non-block device, 31 ----------------------- 51 #. /dev/<disk_name><decimal> represents the device number of partition - device 53 #. /dev/<disk_name>p<decimal> - same as the above; this form is used when disk 60 #. PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF represents the unique id of [all …]
/openbmc/linux/tools/testing/selftests/rcutorture/bin/
H A D	kvm-recheck-rcuscale-ftrace.sh	2 # SPDX-License-Identifier: GPL-2.0+ 5 # looking for ftrace data. Exits with 0 if data was found, analyzed, and 6 # printed. Intended to be invoked from kvm-recheck-rcuscale.sh after 9 # Usage: kvm-recheck-rcuscale-ftrace.sh resdir 18 if test "`grep -c 'rcu_exp_grace_period.start' < $i/console.log`" -lt 100 23 sed -e 's/^\[[^]]]//' < $i/console.log \| 25 sed -e 's/us : / : /' \| 26 tr -d '\015' \| 39 curgpdur = $3 - starttime; 60 print "No ftrace records found???" [all …]
/openbmc/linux/arch/x86/kernel/
H A D	ftrace.c	1 // SPDX-License-Identifier: GPL-2.0 5 * Copyright (C) 2007-2008 Steven Rostedt <srostedt@redhat.com> 18 #include <linux/ftrace.h> 32 #include <asm/ftrace.h> 34 #include <asm/text-patching.h> 46 * ftrace has it set to "read/write". in ftrace_arch_code_modify_prepare() 93 return -EFAULT; in ftrace_verify_code() 100 return -EINVAL; in ftrace_verify_code() 129 unsigned long ip = rec->ip; in ftrace_make_nop() 147 * x86 overrides ftrace_replace_code -- this function will never be used in ftrace_make_nop() [all …]

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