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/linux/tools/perf/Documentation/
H A Dperf-script.txt1 perf-script(1)
6 perf-script - Read perf.data (created by perf record) and display trace output
11 'perf script' [<options>]
12 'perf script' [<options>] record <script> [<record-options>] <command>
13 'perf script' [<options>] report <script> [script-args]
14 'perf script' [<options>] <script> <require
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H A Dperf-script-perl.txt1 perf-script-perl(1)
6 perf-script-perl - Process trace data with a Perl script
11 'perf script' [-s [Perl]:script[.pl] ]
16 This perf script option is used to process perf script data using perf's
19 Perl script, if any.
24 You can avoid reading the rest of this document by running 'perf script
26 That will generate a starter script containing a handler for each of
33 the check-perf-script.pl script, while not interesting for its results,
39 When perf script is invoked using a trace script, a user-defined
54 Traces meant to be processed using a script should be recorded with
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H A Dtips.txt6 Customize output of perf script with: perf script -F event,ip,sym
7 Generate a script for your data: perf script -g <lang>
17 Show individual samples with: perf script
40 To compute metrics for samples use perf record -e '{cycles,instructions}' ... ; perf script -F +metric
48 To collect Processor Trace with samples use perf record -e '{intel_pt//,cycles}' ; perf script --call-trace or --insn-trace --xed -F +ipc (remove --xed if no xed)
49 To trace calls using Processor Trace use perf record -e intel_pt// ... ; perf script --call-trace. Then use perf script --time A-B --insn-trace to look at region of interest.
50 To measure approximate function latency with Processor Trace use perf record -e intel_pt// ... ; perf script
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/linux/tools/testing/selftests/exec/
H A Dcheck-exec-tests.sh21 local script="$2"
27 out="$(PATH="." "$@" "${script}")" || ret=$?
41 local script="$2"
46 # Script passed as argument.
47 out="$("$@" ./inc "${script}")" || ret=$?
61 local script="$2"
67 out="$("$@" ./inc -i < "${script}")" || ret=$?
86 out="$(cat script-exec.inc | "$@" ./inc -i)" || ret=$?
100 # Script not coming from a file must not be executed.
101 out="$("$@" ./inc -c "$(< script-exec.inc)")" || ret=$?
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H A Dexecveat.c206 * a script or not (because the interpreter sees a filename like in check_execveat_pathmax()
221 * Execute as a long pathname relative to "/". If this is a script, in check_execveat_pathmax()
222 * the interpreter will launch but fail to open the script because its in check_execveat_pathmax()
231 ksft_print_msg("Invoke script via root_dfd and relative filename\n"); in check_execveat_pathmax()
269 char *fullname_script = realpath("script", NULL); in run_tests()
284 int fd_script = open_or_die("script", O_RDONLY); in run_tests()
288 int fd_script_ephemeral = open_or_die("script.ephemeral", O_RDONLY); in run_tests()
290 int fd_script_cloexec = open_or_die("script", O_RDONLY|O_CLOEXEC); in run_tests()
361 /* Shell script wrapping executable file: */ in run_tests()
363 fail += check_execveat(subdir_dfd, "../script", 0); in run_tests()
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H A DMakefile15 TEST_GEN_PROGS_EXTENDED := false inc set-exec script-exec.inc script-noexec.inc
16 TEST_GEN_FILES := execveat.symlink execveat.denatured script subdir
33 $(OUTPUT)/script: Makefile
54 $(OUTPUT)/script-exec.inc: $(CHECK_EXEC_SAMPLES)/script-exec.inc
56 $(OUTPUT)/script-noexec.inc: $(CHECK_EXEC_SAMPLES)/script-noexec.inc
/linux/scripts/coccinelle/misc/
H A Ddo_div.cocci67 long l: script:python() { filter_out_safe_constants(l) };
68 unsigned long ul : script:python() { filter_out_safe_constants(ul) };
69 u64 ul64 : script:python() { filter_out_safe_constants(ul64) };
70 s64 sl64 : script:python() { filter_out_safe_constants(sl64) };
86 long l: script:python() { filter_out_safe_constants(l) };
87 unsigned long ul : script:python() { filter_out_safe_constants(ul) };
88 u64 ul64 : script:python() { filter_out_safe_constants(ul64) };
89 s64 sl64 : script:python() { filter_out_safe_constants(sl64) };
101 @script:python depends on org@
108 @script:python depends on org@
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H A Darray_size_dup.cocci38 @script:python depends on report@
46 @script:python depends on org@
67 @script:python depends on report@
75 @script:python depends on org@
103 @script:python depends on report@
111 @script:python depends on org@
133 @script:python depends on report@
141 @script:python depends on org@
167 @script:python depends on report@
175 @script:python depends on org@
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H A Dminmax.cocci168 @script:python depends on report@
175 @script:python depends on org@
182 @script:python depends on report@
189 @script:python depends on org@
196 @script:python depends on report@
203 @script:python depends on org@
210 @script:python depends on report@
217 @script:python depends on org@
/linux/drivers/scsi/sym53c8xx_2/
H A Dsym_fw.h30 * Macro used to generate interfaces for script A.
49 * Macro used to generate interfaces for script B.
65 * Macro used to generate interfaces for script Z.
72 * offsets within script A, B and Z.
91 * bus addresses within script A, B and Z.
119 u32 *a_base; /* Pointer to script A template */
120 int a_size; /* Size of script A */
122 *a_ofs; /* Useful offsets in script A */
123 u32 *b_base; /* Pointer to script B template */
124 int b_size; /* Size of script B */
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/linux/Documentation/userspace-api/
H A Dcheck_exec.rst10 are intended for script interpreters and dynamic linkers to enforce a
16 environment, and whether the kernel can check if a script is trustworthy or
23 Script interpreters or dynamic linkers built for tailored execution environments
28 for script interpreters and dynamic linkers to check the securebits at run time
39 (e.g. ELF libraries, script's shebang).
50 ``./script.sh``) and indirect file execution (e.g. ``sh script.sh``) lead to
81 However, script interpreters may still use user configuration such as
84 a script's caller. Changing these variables may lead to unintended code
95 For instance, script interpreters called with a script snippet as argument
102 Here is the expected behavior for a script interpreter according to combination
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/linux/samples/check-exec/
H A Dinc.c3 * Very simple script interpreter that can evaluate two different commands (one
75 static int interpret_stream(FILE *script, char *const script_name, in interpret_stream() argument
85 * script execution. We must use the script file descriptor instead of in interpret_stream()
86 * the script path name to avoid race conditions. in interpret_stream()
88 err = sys_execveat(fileno(script), "", script_argv, envp, in interpret_stream()
91 perror("ERROR: Script execution check"); in interpret_stream()
95 /* Reads script. */ in interpret_stream()
96 buf_size = fread(buf, 1, buf_size - 1, script); in interpret_stream()
102 fprintf(stderr, "usage: %s <script.inc> | -i | -c <command>\n\n", in print_usage()
105 fprintf(stderr, " ./set-exec -fi -- ./inc -i < script-exec.inc\n"); in print_usage()
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/linux/scripts/coccinelle/api/
H A Dstring_choices.cocci31 @script:python depends on report@
50 @script:python depends on report@
69 @script:python depends on report@
88 @script:python depends on report@
107 @script:python depends on report@
126 @script:python depends on report@
145 @script:python depends on report@
164 @script:python depends on report@
183 @script:python depends on report@
202 @script:python depends on report@
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H A Dmemdup_user.cocci28 position p : script:python() { relevant(p) };
53 position p : script:python() { relevant(p) };
75 position p : script:python() { relevant(p) };
88 position p : script:python() { relevant(p) };
97 @script:python depends on org@
103 @script:python depends on report@
109 @script:python depends on org@
115 @script:python depends on report@
H A Dplatform_no_drv_owner.cocci123 @script:python fix1_org depends on org@
130 @script:python fix1_i2c_org depends on org@
137 @script:python fix2_org depends on org@
144 @script:python fix2_i2c_org depends on org@
153 @script:python fix1_report depends on report@
160 @script:python fix1_i2c_report depends on report@
167 @script:python fix2_report depends on report@
174 @script:python fix2_i2c_report depends on report@
/linux/Documentation/dev-tools/
H A Dcheckuapi.rst7 The UAPI checker (``scripts/check-uapi.sh``) is a shell script which
73 Now, let's use the script to validate::
97 The script will catch this::
116 In this case, the script is reporting the type change because it could
120 anything. You can pass the ``-i`` flag to the script to ignore changes
147 and the script will report the breakage even if you pass ``-i``::
172 Now, let's run the script again with no arguments::
184 let's pass ``-p HEAD~2`` to the script so it checks UAPI changes between
202 base reference to ``HEAD~`` so then the script would compare it to ``HEAD~^1``.
223 running the script from an x86 machine with an x86 compiler, so, by default,
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/linux/drivers/scsi/
H A D53c700.h69 /* The following is a script fragment to move the buffer onto the
218 __u32 *script; /* pointer to script location */ member
219 __u32 pScript; /* physical mem addr of script */
228 #define MSGOUT_OFFSET (L1_CACHE_ALIGN(sizeof(SCRIPT)))
425 #define script_patch_32(h, script, symbol, value) \ argument
430 __u32 val = bS_to_cpu((script)[A_##symbol##_used[i]]) + da; \
431 (script)[A_##symbol##_used[i]] = bS_to_host(val); \
432 dma_sync_to_dev((h), &(script)[A_##symbol##_used[i]], 4); \
433 DEBUG((" script, patching %s at %d to %pad\n", \
438 #define script_patch_32_abs(h, script, symbol, value) \ argument
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/linux/tools/perf/tests/shell/
H A Dscript.sh2 # perf script tests
7 temp_dir=$(mktemp -d /tmp/perf-test-script.XXXXXXXXXX)
18 if [ "${sane}" = "/tmp/perf-test-script" ] ; then
38 # Check if python script is supported
66 perf script -i "${perfdatafile}" -s "${db_test}"
81 echo "SKIP: parallel-perf.py script not found "
89 python3 "${pp}" -o "${output1_dir}" --jobs 4 --verbose -- perf script -i "${perf_data}"
90 python3 "${pp}" -o "${output2_dir}" --jobs 4 --verbose --per-cpu -- perf script -i "${perf_data}"
/linux/scripts/coccinelle/null/
H A Dbadzero.cocci70 @script:python depends on org@
76 @script:python depends on report@
93 @script:ocaml depends on s@
113 @script:ocaml@
168 @script:python depends on org@
174 @script:python depends on org@
180 @script:python depends on report@
186 @script:python depends on report@
229 @script:python depends on org@
235 @script:python depends on report@
/linux/tools/hv/
H A Dhv_get_dhcp_info.sh4 # This example script retrieves the DHCP state of a given interface.
6 # information; the kvp daemon code invokes this external script to gather
11 # Output: The script prints the string "Enabled" to stdout to indicate
13 # the script prints the string "Disabled" to stdout.
15 # Each Distro is expected to implement this script in a distro specific
17 # this script can be based on the Network Manager APIs for retrieving DHCP
H A Dhv_get_dns_info.sh3 # This example script parses /etc/resolv.conf to retrive DNS information.
5 # information; the kvp daemon code invokes this external script to gather
7 # This script is expected to print the nameserver values to stdout.
8 # Each Distro is expected to implement this script in a distro specific
10 # this script can be based on the Network Manager APIs for retrieving DNS
H A Dhv_set_ifconfig.sh4 # This example script activates an interface based on the specified
8 # information; the kvp daemon code invokes this external script to configure
11 # The only argument to this script is the configuration file that is to
14 # Each Distro is expected to implement this script in a distro specific
16 # this script can be based on the Network Manager APIs for configuring the
19 # This example script is based on a RHEL environment.
/linux/tools/testing/selftests/rcutorture/bin/
H A Dkvm-get-cpus-script.sh4 # Create an awk script that takes as input numbers of CPUs and outputs
7 # Usage: kvm-get-cpus-script.sh /path/to/cpu/arrays /path/to/put/script [ /path/to/state ]
12 # The optional state is input by this script (if the file exists and is
13 # non-empty), and can also be output by this script.
27 echo "Directory not usable for script output: $scriptdir"
66 # script can continue where this one left off. Of course, this only works
/linux/tools/perf/scripts/python/
H A Dflamegraph.py7 # perf script report flamegraph
11 # perf script flamegraph -a -F 99 sleep 60
36 <script type="text/javascript" src="https://d3js.org/d3.v7.js"></script>
37 …<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/d3-flame-graph@4.1.3/dist/d3-flam…
38 <script type="text/javascript">
47 </script>
121 # when this script is invoked with "perf script flamegraph",
156 … print("""Not attempting to download Flame Graph template as script command line
159 -F 99 sleep 60' and 'perf script report flamegraph'. Alternatively,
/linux/scripts/coccinelle/api/alloc/
H A Dzalloc-simple.cocci156 @script:python depends on org@
165 @script:python depends on report@
186 @script:python depends on org@
195 @script:python depends on report@
216 @script:python depends on org@
225 @script:python depends on report@
246 @script:python depends on org@
255 @script:python depends on report@
276 @script:python depends on org@
285 @script:python depends on report@
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