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/tools/testing/selftests/timers/
Dposix_timers.c78 static int check_itimer(int which) in check_itimer() argument
88 if (which == ITIMER_VIRTUAL) in check_itimer()
90 else if (which == ITIMER_PROF) in check_itimer()
92 else if (which == ITIMER_REAL) in check_itimer()
99 if (which == ITIMER_VIRTUAL) in check_itimer()
101 else if (which == ITIMER_PROF) in check_itimer()
103 else if (which == ITIMER_REAL) in check_itimer()
112 err = setitimer(which, &val, NULL); in check_itimer()
118 if (which == ITIMER_VIRTUAL) in check_itimer()
120 else if (which == ITIMER_PROF) in check_itimer()
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/tools/testing/selftests/powerpc/scripts/
Dhmi.sh19 elif which getscom > /dev/null; then
20 GETSCOM=$(which getscom)
21 PUTSCOM=$(which putscom)
/tools/power/cpupower/lib/
Dcpuidle.c136 enum idlestate_value which) in cpuidle_state_get_one_value() argument
143 if (which >= MAX_IDLESTATE_VALUE_FILES) in cpuidle_state_get_one_value()
147 idlestate_value_files[which], in cpuidle_state_get_one_value()
176 enum idlestate_string which) in cpuidle_state_get_one_string() argument
182 if (which >= MAX_IDLESTATE_STRING_FILES) in cpuidle_state_get_one_string()
186 idlestate_string_files[which], in cpuidle_state_get_one_string()
343 static char *sysfs_cpuidle_get_one_string(enum cpuidle_string which) in sysfs_cpuidle_get_one_string() argument
349 if (which >= MAX_CPUIDLE_STRING_FILES) in sysfs_cpuidle_get_one_string()
352 len = sysfs_cpuidle_read_file(cpuidle_string_files[which], in sysfs_cpuidle_get_one_string()
Dcpufreq.c89 enum cpufreq_value which) in sysfs_cpufreq_get_one_value() argument
96 if (which >= MAX_CPUFREQ_VALUE_READ_FILES) in sysfs_cpufreq_get_one_value()
99 len = sysfs_cpufreq_read_file(cpu, cpufreq_value_files[which], in sysfs_cpufreq_get_one_value()
128 enum cpufreq_string which) in sysfs_cpufreq_get_one_string() argument
134 if (which >= MAX_CPUFREQ_STRING_FILES) in sysfs_cpufreq_get_one_string()
137 len = sysfs_cpufreq_read_file(cpu, cpufreq_string_files[which], in sysfs_cpufreq_get_one_string()
170 enum cpufreq_write which, in sysfs_cpufreq_write_one_value() argument
173 if (which >= MAX_CPUFREQ_WRITE_FILES) in sysfs_cpufreq_write_one_value()
176 if (sysfs_cpufreq_write_file(cpu, cpufreq_write_files[which], in sysfs_cpufreq_write_one_value()
/tools/power/cpupower/utils/helpers/
Dsysfs.c206 enum idlestate_value which) in sysfs_idlestate_get_one_value() argument
213 if (which >= MAX_IDLESTATE_VALUE_FILES) in sysfs_idlestate_get_one_value()
217 idlestate_value_files[which], in sysfs_idlestate_get_one_value()
246 enum idlestate_string which) in sysfs_idlestate_get_one_string() argument
252 if (which >= MAX_IDLESTATE_STRING_FILES) in sysfs_idlestate_get_one_string()
256 idlestate_string_files[which], in sysfs_idlestate_get_one_string()
413 static char *sysfs_cpuidle_get_one_string(enum cpuidle_string which) in sysfs_cpuidle_get_one_string() argument
419 if (which >= MAX_CPUIDLE_STRING_FILES) in sysfs_cpuidle_get_one_string()
422 len = sysfs_cpuidle_read_file(cpuidle_string_files[which], in sysfs_cpuidle_get_one_string()
/tools/perf/Documentation/
Dperf-buildid-cache.txt19 record it along with the buildid-cache, which will be used by perf-probe.
30 /proc/kcore which requires root permissions to read. Be aware that
42 Remove a cached binary which has same build-id of specified file
46 Purge all cached binaries including older caches which have specified
55 (or remote) perf.data. Only if there is already a cache which has
Dperf-probe.txt38 Specify vmlinux path which has debuginfo (Dwarf binary).
44 Specify module name in which perf-probe searches probe points
47 a module which has not been loaded yet).
81 Show source code lines which can be probed. This needs an argument
82 which specifies a range of the source code. (see LINE SYNTAX for detail)
95 which do not have instances are ignored.
125 (With --add) Cache the probes. Any events which successfully added
171 …f the probe point definition. In addition, '@SRC' specifies a source file which has that function.
174 'SDTEVENT' and 'PROVIDER' is the pre-defined event name which is defined by user SDT (Statically De…
175 Note that before using the SDT event, the target binary (on which SDT events are defined) must be s…
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Dintel-pt.txt19 Trace data must be 'decoded' which involves walking the object code and matching
22 decoder must know precisely which instruction was being executed.
34 builds, however the executed images are needed - which makes use in JIT-compiled
39 (hundreds of megabytes per second per core) which takes a long time to decode,
69 which will create a directory named 'pt_ls' and put the perf.data file and
91 data is available you can use the 'perf script' tool with no parameters, which
97 An interesting field that is not printed by default is 'flags' which can be
102 The flags are "bcrosyiABEx" which stand for branch, call, return, conditional,
112 data captured is to use 'snapshot' mode which is explained further below.
118 which results in the decoder not knowing what code was executed.
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Dperf-record.txt48 There are also some params which are not defined in .../<pmu>/format/*.
60 Note: If user explicitly sets options which conflict with the params,
79 number of bytes from specified addr, which the breakpoint will cover.
91 Event filter. This option should follow a event selector (-e) which
112 - 'start': defines an address at which tracing will begin.
113 - 'stop': defines an address at which tracing will stop.
114 - 'tracestop': defines a region in which tracing will stop.
120 If no object file is specified then the kernel is assumed, in which case
127 the name of a symbol, in which case the size is calculated to the end
150 a event selector (-e) which selects tracepoint event(s). It adds a
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Dperf-kvm.txt57 And this command produces a file which contains tracing results of kvm
60 'perf kvm stat report' reports statistical data which includes events
103 analyze events which occur on this vcpu. (default: all vcpus)
137 analyze events which occur on this vcpu. (default: all vcpus)
Dperf-lock.txt20 produces the file "perf.data" which contains tracing
Dperf-report.txt75 - comm: command (name) of the task which can be read via /proc/<pid>/comm
154 The field name can have '/raw' suffix which disables pretty printing
202 One exception is the print_limit which should be preceded by threshold.
212 threshold is a percentage value which specifies a minimum percent to be
322 information which may be very large and thus may clutter the display.
361 Do not show entries which have an overhead under that percent.
401 However, perf report cannot show callgraphs for the event which
404 which collected by reference event, in no callgraph event.
Dperf-config.txt141 'top' means a overhead percentage which is more than 5%.
146 'medium' means a overhead percentage which has more than 0.5%.
198 If a program which is analyzed has source code,
244 arrows can be printed or not which represent
367 'callee' which means callee is printed at top and then followed by its
390 histogram entry. Default is 0 which means no limitation.
401 is '10', only entries which have more than 10% of overhead will be
455 This option decides which allocator is to be analyzed if neither
Dexamples.txt77 To check which functions generated page allocations:
190 and check which instructions/source-code generated page allocations:
213 other different usecases straight away - neither of which is
DBuild.txt5 which are linked together to form the perf binary:
/tools/objtool/Documentation/
Dstack-validation.txt9 objtool which runs at compile time. It has a "check" subcommand which
21 .altinstructions, __jump_table, and __ex_table, which can add
24 which gcc sometimes uses jump tables.
47 hand, which most people don't do. So the end result is that
51 functions which call other functions must first create a stack frame
107 asm code, generating CFI is a tedious manual approach which requires
113 which already has CFI annotations, it will validate them. For code
114 which doesn't have CFI annotations, it will generate them. So an
133 framework which is safe for roughly 85-90% of "security" fixes. But
137 There's a strong need to support patches which have the more complex
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/tools/testing/selftests/ftrace/
DREADME52 * PASS: The test succeeded as expected. The test which exits with 0 is
55 * FAIL: The test failed, but was expected to succeed. The test which exits
60 or the test depends on a previous test, which failed.
62 The test which is in above situation, must call exit_unresolved.
/tools/testing/selftests/x86/
Dtest_vsyscall.c196 const char *which, in check_gtod() argument
204 printf("[FAIL] %s tz mismatch\n", which); in check_gtod()
210 printf("\t%s time offsets: %lf %lf\n", which, d1, d2); in check_gtod()
213 printf("[FAIL]\t%s time was inconsistent with the syscall\n", which); in check_gtod()
216 printf("[OK]\t%s gettimeofday()'s timeval was okay\n", which); in check_gtod()
Dfsgsbase.c76 static unsigned long read_base(enum which_base which) in read_base() argument
87 if (which == FS) { in read_base()
103 if (which == FS) { in read_base()
/tools/perf/pmu-events/
DREADME5 The main program in this directory, is the 'jevents', which is built and
12 JSON files, each of which describes a set of PMU events.
33 'pmu-events.c', which encodes the two sets of tables:
67 'pmu-events.o' is added to 'libperf.a' which is then used to build perf.
112 Lines in which the first character is either '\n' or '#'
116 The header line is the first line in the file, which is
/tools/lguest/
Dlguest.txt14 - Kernel module which runs in a normal kernel.
36 "Alignment value to which kernel should be aligned" = 0x100000
85 --block=rootfile: a file or block device which becomes /dev/vda
/tools/testing/selftests/powerpc/math/
Dvsx_asm.S15 #call to a comparison function in C which boils down to a memcmp()
/tools/build/Documentation/
DBuild.txt40 which includes all compiled sources described in 'Build' makefiles.
58 Out of which you build the 'ex' binary ' and the 'libex.a' library:
86 which creates the following objects:
/tools/usb/usbip/
DCOPYING40 (2) offer you this license which gives you legal permission to copy,
62 0. This License applies to any program or other work which contains
119 distribute the same sections as part of a whole which is a work based
139 source code, which must be distributed under the terms of Sections
163 operating system on which the executable runs, unless that component
218 integrity of the free software distribution system, which is
243 specifies a version number of this License which applies to it and "any
252 to ask for permission. For software which is copyrighted by the Free
286 free software which everyone can redistribute and change under these terms.
331 `Gnomovision' (which makes passes at compilers) written by James Hacker.
/tools/testing/selftests/rcutorture/doc/
Dinitrd.txt16 Another way to create an initramfs image is using "dracut"[1], which is
54 # are used; which they will be, but it's worth pointing out

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