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/tools/testing/selftests/ftrace/test.d/ftrace/
Dfunc_stack_tracer.tc13 echo 1 > /proc/sys/kernel/stack_tracer_enabled
23 echo 0 > /proc/sys/kernel/stack_tracer_enabled
29 echo 1 > /proc/sys/kernel/stack_tracer_enabled
39 echo 0 > /proc/sys/kernel/stack_tracer_enabled
Dfgraph-filter-stack.tc19 if [ -e /proc/sys/kernel/stack_tracer_enabled ]; then
20 echo 0 > /proc/sys/kernel/stack_tracer_enabled
51 echo 1 > /proc/sys/kernel/stack_tracer_enabled
70 echo 0 > /proc/sys/kernel/stack_tracer_enabled
/tools/lib/traceevent/Documentation/
Dlibtraceevent-header_page.txt7 Get the data stored in the header page, in kernel context.
21 These functions retrieve information from kernel context, stored in tracefs
26 in kernel context. The _tep_ argument is trace event parser context.
30 in kernel context. The _tep_ argument is trace event parser context. This
33 The _tep_is_old_format()_ function returns true if the kernel predates
44 The _tep_is_old_format()_ function returns true, if an old kernel is used to
45 generate the tracing data, which has no event/header_page. If the kernel is new,
64 printf ("%s kernel is used to generate the tracing data.\n",
94 Report bugs to <linux-trace-devel@vger.kernel.org>
102 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Dlibtraceevent-func_apis.txt27 Some tools may have already a way to resolve the kernel functions. These APIs
30 The _tep_func_resolver_t_ type is the prototype of the alternative kernel
32 (set with the _tep_set_function_resolver()_ call ) and the address of a kernel
37 kernel functions resolver. The _tep_ argument is trace event parser context.
43 The _tep_reset_function_resolver()_ function resets the kernel functions
66 start address of the function. The _mod_ is the kernel module the function may
70 it was stored in the kernel. Some strings internal to the kernel with static
73 tep_register_print_string() supplies the parsing with the mapping between kernel
175 Report bugs to <linux-trace-devel@vger.kernel.org>
183 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Dlibtraceevent-parse_head.txt44 buf = read_file("/sys/kernel/tracing/events/header_page", &size);
74 Report bugs to <linux-trace-devel@vger.kernel.org>
82 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Dlibtraceevent-event_print.txt56 out in arbitrary locations while in kernel context), the
57 preempt count, when non zero, will prevent the kernel
60 Depending on the kernel, it may show other fields
122 Report bugs to <linux-trace-devel@vger.kernel.org>
130 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Dlibtraceevent-parse_event.txt48 buf = read_file("/sys/kernel/tracing/events/ftrace/print/format", &size);
82 Report bugs to <linux-trace-devel@vger.kernel.org>
90 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Dlibtraceevent-field_read.txt73 Report bugs to <linux-trace-devel@vger.kernel.org>
81 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
/tools/testing/selftests/vm/
Drun_vmtests75 shmmax=`cat /proc/sys/kernel/shmmax`
76 shmall=`cat /proc/sys/kernel/shmall`
77 echo 268435456 > /proc/sys/kernel/shmmax
78 echo 4194304 > /proc/sys/kernel/shmall
89 echo $shmmax > /proc/sys/kernel/shmmax
90 echo $shmall > /proc/sys/kernel/shmall
/tools/testing/selftests/livepatch/
DREADME5 This is a small set of sanity tests for the kernel livepatching.
7 The test suite loads and unloads several test kernel modules to verify
8 livepatch behavior. Debug information is logged to the kernel's message
25 Test kernel modules are built as part of lib/ (make modules) and need to
29 To run the livepatch selftests, from the top of the kernel source tree:
39 latter function greps the kernel's ring buffer for "livepatch:" and
Dfunctions.sh33 DYNAMIC_DEBUG=$(grep '^kernel/livepatch' /sys/kernel/debug/dynamic_debug/control | \
39 echo -n "$DYNAMIC_DEBUG" > /sys/kernel/debug/dynamic_debug/control
49 cat <<-EOF > /sys/kernel/debug/dynamic_debug/control
50 file kernel/livepatch/* +p
195 echo 0 > /sys/kernel/livepatch/"$mod"/enabled
/tools/lib/traceevent/
Dlibtraceevent.pc.template6 URL: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
7 Description: Linux kernel trace event library
/tools/memory-model/
Dlinux-kernel.cfg1 macros linux-kernel.def
2 bell linux-kernel.bell
3 model linux-kernel.cat
DREADME10 short) of the Linux kernel, written in the "cat" language and executable
15 to convert a litmus test to a Linux kernel module, which in turn allows
16 that litmus test to be exercised within the Linux kernel.
44 $ herd7 -conf linux-kernel.cfg litmus-tests/SB+fencembonceonces.litmus
71 The "klitmus7" tool converts a litmus test into a Linux kernel module,
109 Quick-reference guide to the Linux-kernel memory model.
120 linux-kernel.bell
129 linux-kernel.cat
138 linux-kernel.cfg
142 linux-kernel.def
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/tools/bpf/bpftool/Documentation/
Dbpftool-feature.rst5 tool for inspection of eBPF-related parameters for Linux kernel or net device
25 | *COMPONENT* := { **kernel** | **dev** *NAME* }
29 **bpftool feature probe** [**kernel**] [**macros** [**prefix** *PREFIX*]]
30 Probe the running kernel and dump a number of eBPF-related
44 Keyword **kernel** can be omitted. If no probe target is
45 specified, probing the kernel is the default behaviour.
49 print warnings to kernel logs.
56 role as when probing the kernel.
/tools/debugging/
DMakefile8 TARGET = kernel-chktaint
14 install: kernel-chktaint
/tools/perf/arch/powerpc/
DMakefile17 syskrn := $(srctree)/arch/powerpc/kernel/syscalls/syscall.tbl
26 @(test -d ../../kernel -a -d ../../tools -a -d ../perf && ( \
32 @(test -d ../../kernel -a -d ../../tools -a -d ../perf && ( \
/tools/testing/selftests/pstore/
Dpstore_crash_test16 echo 1 > /proc/sys/kernel/sysrq
18 echo 3 > /proc/sys/kernel/panic
/tools/perf/Documentation/
Dperf-buildid-list.txt19 It can also be used to show the build id of the running kernel or in an ELF
34 --kernel::
35 Show running kernel build id.
Dperf-kallsyms.txt6 perf-kallsyms - Searches running kernel for symbols
15 This command searches the running kernel kallsyms file for the given symbol(s)
/tools/testing/vsock/
DREADME13 1. Build the kernel and these tests.
14 2. Install the kernel and tests on the host.
15 3. Install the kernel and tests inside the guest.
/tools/testing/selftests/powerpc/eeh/
Deeh-functions.sh54 echo $dev >/sys/kernel/debug/powerpc/eeh_dev_break
59 echo $dev >/sys/kernel/debug/powerpc/eeh_dev_check
/tools/kvm/kvm_stat/
Dkvm_stat.txt6 kvm_stat - Report KVM kernel module event counters
15 kvm_stat prints counts of KVM kernel module trace events. These events signify
25 The set of KVM kernel module trace events may be specific to the kernel version
26 or architecture. It is best to check the KVM kernel module source code for the
/tools/perf/arch/s390/
DMakefile15 syskrn := $(srctree)/arch/s390/kernel/syscalls/syscall.tbl
24 @(test -d ../../kernel -a -d ../../tools -a -d ../perf && ( \
/tools/power/pm-graph/
DREADME8 Report bugs/issues at bugzilla.kernel.org Tools/pm-graph
9 - https://bugzilla.kernel.org/buglist.cgi?component=pm-graph&product=Tools
46 This tool suite is designed to assist kernel and OS developers in optimizing
47 their linux stack's suspend/resume & boot time. Using a kernel image built
51 and kernel processes are taking the most time in suspend/resume & boot.
74 Setup involves some minor kernel configuration
76 The following kernel build options are required for all kernels:
86 In kernel 3.15.0, two patches were upstreamed which enable the
91 (kernel/pre-3.15/enable_trace_events_suspend_resume.patch)
92 (kernel/pre-3.15/enable_trace_events_device_pm_callback.patch)
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