tools/perf/tests/shell/common/patterns.sh - linux - Git at Google


            
            # SPDX-License-Identifier: GPL-2.0


            export RE_NUMBER="[0-9\.]+"

            
            # Number

            
            # Examples:

            
            #    123.456


            export RE_NUMBER_HEX="[0-9A-Fa-f]+"

            
            # Hexadecimal number

            
            # Examples:

            
            #    1234

            
            #    a58d

            
            #    aBcD

            
            #    deadbeef


            export RE_DATE_YYYYMMDD="[0-9]{4}-(?:(?:01|03|05|07|08|10|12)-(?:[0-2][0-9]|3[0-1])|02-[0-2][0-9]|(?:(?:04|06|09|11)-(?:[0-2][0-9]|30)))"

            
            # Date in YYYY-MM-DD form

            
            # Examples:

            
            #    1990-02-29

            
            #    0015-07-31

            
            #    2456-12-31

            
            #!   2012-13-01

            
            #!   1963-09-31


            export RE_TIME="(?:[0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]"

            
            # Time

            
            # Examples:

            
            #    15:12:27

            
            #    23:59:59

            
            #!   24:00:00

            
            #!   11:25:60

            
            #!   17:60:15


            export RE_DATE_TIME="\w+\s+\w+\s+$RE_NUMBER\s+$RE_TIME\s+$RE_NUMBER"

            
            # Time and date

            
            # Examples:

            
            #    Wed Feb 12 10:46:26 2020

            
            #    Mon Mar  2 13:27:06 2020

            
            #!   St úno 12 10:57:21 CET 2020

            
            #!   Po úno 14 15:17:32 2010


            export RE_ADDRESS="0x$RE_NUMBER_HEX"

            
            # Memory address

            
            # Examples:

            
            #    0x123abc

            
            #    0xffffffff9abe8ae8

            
            #    0x0


            export RE_ADDRESS_NOT_NULL="0x[0-9A-Fa-f]*[1-9A-Fa-f]+[0-9A-Fa-f]*"

            
            # Memory address (not NULL)

            
            # Examples:

            
            #    0xffffffff9abe8ae8

            
            #!   0x0

            
            #!   0x0000000000000000


            export RE_PROCESS_PID="[^\/]+\/\d+"

            
            # A process with PID

            
            # Example:

            
            #    sleep/4102

            
            #    test_overhead./866185

            
            #    in:imjournal/1096

            
            #    random#$& test/866607


            export RE_EVENT_ANY="[\w\-\:\/_=,]+"

            
            # Name of any event (universal)

            
            # Examples:

            
            #    cpu-cycles

            
            #    cpu/event=12,umask=34/

            
            #    r41e1

            
            #    nfs:nfs_getattr_enter


            export RE_EVENT="[\w\-:_]+"

            
            # Name of an usual event

            
            # Examples:

            
            #    cpu-cycles


            export RE_EVENT_RAW="r$RE_NUMBER_HEX"

            
            # Specification of a raw event

            
            # Examples:

            
            #    r41e1

            
            #    r1a


            export RE_EVENT_CPU="cpu/(\w+=$RE_NUMBER_HEX,?)+/p*"

            
            # Specification of a CPU event

            
            # Examples:

            
            #    cpu/event=12,umask=34/pp


            export RE_EVENT_UNCORE="uncore/[\w_]+/"

            
            # Specification of an uncore event

            
            # Examples:

            
            #    uncore/qhl_request_local_reads/


            export RE_EVENT_SUBSYSTEM="[\w\-]+:[\w\-]+"

            
            # Name of an event from subsystem

            
            # Examples:

            
            #    ext4:ext4_ordered_write_end

            
            #    sched:sched_switch


            export RE_FILE_NAME="[\w\+\.-]+"

            
            # A filename

            
            # Examples:

            
            #    libstdc++.so.6

            
            #!   some/path


            export RE_PATH_ABSOLUTE="(?:\/$RE_FILE_NAME)+"

            
            # A full filepath

            
            # Examples:

            
            #    /usr/lib64/somelib.so.5.4.0

            
            #    /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko

            
            #    /usr/bin/mv

            
            #!   some/relative/path

            
            #!   ./some/relative/path


            export RE_PATH="(?:$RE_FILE_NAME)?$RE_PATH_ABSOLUTE"

            
            # A filepath

            
            # Examples:

            
            #    /usr/lib64/somelib.so.5.4.0

            
            #    /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko

            
            #    ./.emacs

            
            #    src/fs/file.c


            export RE_DSO="(?:$RE_PATH_ABSOLUTE(?: \(deleted\))?|\[kernel\.kallsyms\]|\[unknown\]|\[vdso\]|\[kernel\.vmlinux\][\.\w]*)"

            
            # A DSO name in various result tables

            
            # Examples:

            
            #    /usr/lib64/somelib.so.5.4.0

            
            #    /usr/bin/somebinart (deleted)

            
            #    /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko

            
            #    [kernel.kallsyms]

            
            #    [kernel.vmlinux]

            
            #    [vdso]

            
            #    [unknown]


            export RE_LINE_COMMENT="^#.*"

            
            # A comment line

            
            # Examples:

            
            #    # Started on Thu Sep 10 11:43:00 2015


            export RE_LINE_EMPTY="^\s*$"

            
            # An empty line with possible whitespaces

            
            # Examples:

            
            #


            export RE_LINE_RECORD1="^\[\s+perf\s+record:\s+Woken up $RE_NUMBER times? to write data\s+\].*$"

            
            # The first line of perf-record "OK" output

            
            # Examples:

            
            #    [ perf record: Woken up 1 times to write data ]


            export RE_LINE_RECORD2="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\s*MB\s+(?:[\w\+\.-]*(?:$RE_PATH)?\/)?perf\.data(?:\.\d+)?\s*\(~?$RE_NUMBER samples\)\s+\].*$"

            
            # The second line of perf-record "OK" output

            
            # Examples:

            
            #    [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB perf.data (~109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB /some/temp/dir/perf.data (109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB ./perf.data (109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB ./perf.data.3 (109 samples) ]


            export RE_LINE_RECORD2_TOLERANT="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\s*MB\s+(?:[\w\+\.-]*(?:$RE_PATH)?\/)?perf\.data(?:\.\d+)?\s*(?:\(~?$RE_NUMBER samples\))?\s+\].*$"

            
            # The second line of perf-record "OK" output, even no samples is OK here

            
            # Examples:

            
            #    [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB perf.data (~109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB /some/temp/dir/perf.data (109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB ./perf.data (109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB ./perf.data.3 (109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB perf.data ]


            export RE_LINE_RECORD2_TOLERANT_FILENAME="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\s*MB\s+(?:[\w\+\.-]*(?:$RE_PATH)?\/)?perf\w*\.data(?:\.\d+)?\s*\(~?$RE_NUMBER samples\)\s+\].*$"

            
            # The second line of perf-record "OK" output

            
            # Examples:

            
            #    [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB perf_ls.data (~109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB perf_aNyCaSe.data (109 samples) ]

            
            #    [ perf record: Captured and wrote 0.405 MB ./perfdata.data.3 (109 samples) ]

            
            #!    [ perf record: Captured and wrote 0.405 MB /some/temp/dir/my_own.data (109 samples) ]

            
            #!    [ perf record: Captured and wrote 0.405 MB ./UPPERCASE.data (109 samples) ]

            
            #!    [ perf record: Captured and wrote 0.405 MB ./aNyKiNDoF.data.3 (109 samples) ]

            
            #!    [ perf record: Captured and wrote 0.405 MB perf.data ]


            export RE_LINE_TRACE_FULL="^\s*$RE_NUMBER\s*\(\s*$RE_NUMBER\s*ms\s*\):\s*$RE_PROCESS_PID\s+.*\)\s+=\s+(:?\-?$RE_NUMBER|0x$RE_NUMBER_HEX).*$"

            
            # A line of perf-trace output

            
            # Examples:

            
            #    0.115 ( 0.005 ms): sleep/4102 open(filename: 0xd09e2ab2, flags: CLOEXEC                             ) = 3

            
            #    0.157 ( 0.005 ms): sleep/4102 mmap(len: 3932736, prot: EXEC|READ, flags: PRIVATE|DENYWRITE, fd: 3   ) = 0x7f89d0605000

            
            #!    0.115 ( 0.005 ms): sleep/4102 open(filename: 0xd09e2ab2, flags: CLOEXEC                             ) =


            export RE_LINE_TRACE_ONE_PROC="^\s*$RE_NUMBER\s*\(\s*$RE_NUMBER\s*ms\s*\):\s*\w+\(.*\)\s+=\s+(?:\-?$RE_NUMBER|0x$RE_NUMBER_HEX).*$"

            
            # A line of perf-trace output

            
            # Examples:

            
            #    0.115 ( 0.005 ms): open(filename: 0xd09e2ab2, flags: CLOEXEC                             ) = 3

            
            #    0.157 ( 0.005 ms): mmap(len: 3932736, prot: EXEC|READ, flags: PRIVATE|DENYWRITE, fd: 3   ) = 0x7f89d0605000

            
            #!    0.115 ( 0.005 ms): open(filename: 0xd09e2ab2, flags: CLOEXEC                             ) =


            export RE_LINE_TRACE_CONTINUED="^\s*(:?$RE_NUMBER|\?)\s*\(\s*($RE_NUMBER\s*ms\s*)?\):\s*($RE_PROCESS_PID\s*)?\.\.\.\s*\[continued\]:\s+\w+\(\).*\s+=\s+(?:\-?$RE_NUMBER|0x$RE_NUMBER_HEX).*$"

            
            # A line of perf-trace output

            
            # Examples:

            
            #    0.000 ( 0.000 ms):  ... [continued]: nanosleep()) = 0

            
            #    0.000 ( 0.000 ms):  ... [continued]: nanosleep()) = 0x00000000

            
            #    ? (         ): packagekitd/94838  ... [continued]: poll())                                             = 0 (Timeout)

            
            #!    0.000 ( 0.000 ms):  ... [continued]: nanosleep()) =


            export RE_LINE_TRACE_UNFINISHED="^\s*$RE_NUMBER\s*\(\s*\):\s*$RE_PROCESS_PID\s+.*\)\s+\.\.\.\s*$"

            
            # A line of perf-trace output

            
            # Examples:

            
            #    901.040 (         ): in:imjournal/1096 ppoll(ufds: 0x7f701a5adb70, nfds: 1, tsp: 0x7f701a5adaf0, sigsetsize: 8) ...

            
            #    613.727 (         ): gmain/1099 poll(ufds: 0x56248f6b64b0, nfds: 2, timeout_msecs: 3996)           ...


            export RE_LINE_TRACE_SUMMARY_HEADER="\s*syscall\s+calls\s+(?:errors\s+)?total\s+min\s+avg\s+max\s+stddev"

            
            # A header of a perf-trace summary table

            
            # Example:

            
            #    syscall            calls    total       min       avg       max      stddev

            
            #    syscall            calls  errors  total       min       avg       max       stddev


            export RE_LINE_TRACE_SUMMARY_CONTENT="^\s*\w+\s+(?:$RE_NUMBER\s+){5,6}$RE_NUMBER%"

            
            # A line of a perf-trace summary table

            
            # Example:

            
            #    open                   3     0.017     0.005     0.006     0.007     10.90%

            
            #    openat                 2      0     0.017     0.008     0.009     0.010     12.29%


            export RE_LINE_REPORT_CONTENT="^\s+$RE_NUMBER%\s+\w+\s+\S+\s+\S+\s+\S+" # FIXME

            
            # A line from typicap perf report --stdio output

            
            # Example:

            
            #     100.00%  sleep    [kernel.vmlinux]  [k] syscall_return_slowpath


            export RE_TASK="\s+[\w~\/ \.\+:#-]+(?:\[-1(?:\/\d+)?\]|\[\d+(?:\/\d+)?\])"

            
            # A name of a task used for perf sched timehist -s

            
            # Example:

            
            #     sleep[62755]

            
            #     runtest.sh[62762]

            
            #     gmain[705/682]

            
            #     xfsaild/dm-0[495]

            
            #     kworker/u8:1-ev[62714]

            
            #     :-1[-1/62756]

            
            #     :-1[-1]

            
            #     :-1[62756]


            export RE_SEGFAULT=".*(?:Segmentation\sfault|SIGSEGV|\score\s|dumped|segfault).*"

            
            # Possible variations of the segfault message

            
            # Example:

            
            #     /bin/bash: line 1:    32 Segmentation fault      timeout 15s

            
            #     Segmentation fault (core dumped)

            
            #     Program terminated with signal SIGSEGV

            
            #!     WARNING: 12323431 isn't a 'cpu_core', please use a CPU list in the 'cpu_core' range (0-15)
	# SPDX-License-Identifier: GPL-2.0

	export RE_NUMBER="[0-9\.]+"
	# Number
	# Examples:
	# 123.456


	export RE_NUMBER_HEX="[0-9A-Fa-f]+"
	# Hexadecimal number
	# Examples:
	# 1234
	# a58d
	# aBcD
	# deadbeef


	export RE_DATE_YYYYMMDD="[0-9]{4}-(?:(?:01\|03\|05\|07\|08\|10\|12)-(?:[0-2][0-9]\|3[0-1])\|02-[0-2][0-9]\|(?:(?:04\|06\|09\|11)-(?:[0-2][0-9]\|30)))"
	# Date in YYYY-MM-DD form
	# Examples:
	# 1990-02-29
	# 0015-07-31
	# 2456-12-31
	#! 2012-13-01
	#! 1963-09-31


	export RE_TIME="(?:[0-1][0-9]\|2[0-3]):[0-5][0-9]:[0-5][0-9]"
	# Time
	# Examples:
	# 15:12:27
	# 23:59:59
	#! 24:00:00
	#! 11:25:60
	#! 17:60:15


	export RE_DATE_TIME="\w+\s+\w+\s+$RE_NUMBER\s+$RE_TIME\s+$RE_NUMBER"
	# Time and date
	# Examples:
	# Wed Feb 12 10:46:26 2020
	# Mon Mar 2 13:27:06 2020
	#! St úno 12 10:57:21 CET 2020
	#! Po úno 14 15:17:32 2010


	export RE_ADDRESS="0x$RE_NUMBER_HEX"
	# Memory address
	# Examples:
	# 0x123abc
	# 0xffffffff9abe8ae8
	# 0x0


	export RE_ADDRESS_NOT_NULL="0x[0-9A-Fa-f][1-9A-Fa-f]+[0-9A-Fa-f]"
	# Memory address (not NULL)
	# Examples:
	# 0xffffffff9abe8ae8
	#! 0x0
	#! 0x0000000000000000

	export RE_PROCESS_PID="[^\/]+\/\d+"
	# A process with PID
	# Example:
	# sleep/4102
	# test_overhead./866185
	# in:imjournal/1096
	# random#$& test/866607

	export RE_EVENT_ANY="[\w\-\:\/_=,]+"
	# Name of any event (universal)
	# Examples:
	# cpu-cycles
	# cpu/event=12,umask=34/
	# r41e1
	# nfs:nfs_getattr_enter


	export RE_EVENT="[\w\-:_]+"
	# Name of an usual event
	# Examples:
	# cpu-cycles


	export RE_EVENT_RAW="r$RE_NUMBER_HEX"
	# Specification of a raw event
	# Examples:
	# r41e1
	# r1a


	export RE_EVENT_CPU="cpu/(\w+=$RE_NUMBER_HEX,?)+/p*"
	# Specification of a CPU event
	# Examples:
	# cpu/event=12,umask=34/pp


	export RE_EVENT_UNCORE="uncore/[\w_]+/"
	# Specification of an uncore event
	# Examples:
	# uncore/qhl_request_local_reads/


	export RE_EVENT_SUBSYSTEM="[\w\-]+:[\w\-]+"
	# Name of an event from subsystem
	# Examples:
	# ext4:ext4_ordered_write_end
	# sched:sched_switch


	export RE_FILE_NAME="[\w\+\.-]+"
	# A filename
	# Examples:
	# libstdc++.so.6
	#! some/path


	export RE_PATH_ABSOLUTE="(?:\/$RE_FILE_NAME)+"
	# A full filepath
	# Examples:
	# /usr/lib64/somelib.so.5.4.0
	# /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko
	# /usr/bin/mv
	#! some/relative/path
	#! ./some/relative/path


	export RE_PATH="(?:$RE_FILE_NAME)?$RE_PATH_ABSOLUTE"
	# A filepath
	# Examples:
	# /usr/lib64/somelib.so.5.4.0
	# /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko
	# ./.emacs
	# src/fs/file.c


	export RE_DSO="(?:$RE_PATH_ABSOLUTE(?: \(deleted\))?\|\[kernel\.kallsyms\]\|\[unknown\]\|\[vdso\]\|\[kernel\.vmlinux\][\.\w]*)"
	# A DSO name in various result tables
	# Examples:
	# /usr/lib64/somelib.so.5.4.0
	# /usr/bin/somebinart (deleted)
	# /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko
	# [kernel.kallsyms]
	# [kernel.vmlinux]
	# [vdso]
	# [unknown]


	export RE_LINE_COMMENT="^#.*"
	# A comment line
	# Examples:
	# # Started on Thu Sep 10 11:43:00 2015


	export RE_LINE_EMPTY="^\s*$"
	# An empty line with possible whitespaces
	# Examples:
	#


	export RE_LINE_RECORD1="^\[\s+perf\s+record:\s+Woken up $RE_NUMBER times? to write data\s+\].*$"
	# The first line of perf-record "OK" output
	# Examples:
	# [ perf record: Woken up 1 times to write data ]


	export RE_LINE_RECORD2="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\sMB\s+(?:[\w\+\.-](?:$RE_PATH)?\/)?perf\.data(?:\.\d+)?\s\(~?$RE_NUMBER samples\)\s+\].$"
	# The second line of perf-record "OK" output
	# Examples:
	# [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB perf.data (~109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB /some/temp/dir/perf.data (109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB ./perf.data (109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB ./perf.data.3 (109 samples) ]


	export RE_LINE_RECORD2_TOLERANT="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\sMB\s+(?:[\w\+\.-](?:$RE_PATH)?\/)?perf\.data(?:\.\d+)?\s(?:\(~?$RE_NUMBER samples\))?\s+\].$"
	# The second line of perf-record "OK" output, even no samples is OK here
	# Examples:
	# [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB perf.data (~109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB /some/temp/dir/perf.data (109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB ./perf.data (109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB ./perf.data.3 (109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB perf.data ]


	export RE_LINE_RECORD2_TOLERANT_FILENAME="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\sMB\s+(?:[\w\+\.-](?:$RE_PATH)?\/)?perf\w\.data(?:\.\d+)?\s\(~?$RE_NUMBER samples\)\s+\].*$"
	# The second line of perf-record "OK" output
	# Examples:
	# [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB perf_ls.data (~109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB perf_aNyCaSe.data (109 samples) ]
	# [ perf record: Captured and wrote 0.405 MB ./perfdata.data.3 (109 samples) ]
	#! [ perf record: Captured and wrote 0.405 MB /some/temp/dir/my_own.data (109 samples) ]
	#! [ perf record: Captured and wrote 0.405 MB ./UPPERCASE.data (109 samples) ]
	#! [ perf record: Captured and wrote 0.405 MB ./aNyKiNDoF.data.3 (109 samples) ]
	#! [ perf record: Captured and wrote 0.405 MB perf.data ]


	export RE_LINE_TRACE_FULL="^\s$RE_NUMBER\s\(\s$RE_NUMBER\sms\s\):\s$RE_PROCESS_PID\s+.\)\s+=\s+(:?\-?$RE_NUMBER\|0x$RE_NUMBER_HEX).$"
	# A line of perf-trace output
	# Examples:
	# 0.115 ( 0.005 ms): sleep/4102 open(filename: 0xd09e2ab2, flags: CLOEXEC ) = 3
	# 0.157 ( 0.005 ms): sleep/4102 mmap(len: 3932736, prot: EXEC\|READ, flags: PRIVATE\|DENYWRITE, fd: 3 ) = 0x7f89d0605000
	#! 0.115 ( 0.005 ms): sleep/4102 open(filename: 0xd09e2ab2, flags: CLOEXEC ) =

	export RE_LINE_TRACE_ONE_PROC="^\s$RE_NUMBER\s\(\s$RE_NUMBER\sms\s\):\s\w+\(.\)\s+=\s+(?:\-?$RE_NUMBER\|0x$RE_NUMBER_HEX).$"
	# A line of perf-trace output
	# Examples:
	# 0.115 ( 0.005 ms): open(filename: 0xd09e2ab2, flags: CLOEXEC ) = 3
	# 0.157 ( 0.005 ms): mmap(len: 3932736, prot: EXEC\|READ, flags: PRIVATE\|DENYWRITE, fd: 3 ) = 0x7f89d0605000
	#! 0.115 ( 0.005 ms): open(filename: 0xd09e2ab2, flags: CLOEXEC ) =

	export RE_LINE_TRACE_CONTINUED="^\s(:?$RE_NUMBER\|\?)\s\(\s($RE_NUMBER\sms\s)?\):\s($RE_PROCESS_PID\s)?\.\.\.\s\[continued\]:\s+\w+\(\).\s+=\s+(?:\-?$RE_NUMBER\|0x$RE_NUMBER_HEX).$"
	# A line of perf-trace output
	# Examples:
	# 0.000 ( 0.000 ms): ... [continued]: nanosleep()) = 0
	# 0.000 ( 0.000 ms): ... [continued]: nanosleep()) = 0x00000000
	# ? ( ): packagekitd/94838 ... [continued]: poll()) = 0 (Timeout)
	#! 0.000 ( 0.000 ms): ... [continued]: nanosleep()) =

	export RE_LINE_TRACE_UNFINISHED="^\s$RE_NUMBER\s\(\s\):\s$RE_PROCESS_PID\s+.\)\s+\.\.\.\s$"
	# A line of perf-trace output
	# Examples:
	# 901.040 ( ): in:imjournal/1096 ppoll(ufds: 0x7f701a5adb70, nfds: 1, tsp: 0x7f701a5adaf0, sigsetsize: 8) ...
	# 613.727 ( ): gmain/1099 poll(ufds: 0x56248f6b64b0, nfds: 2, timeout_msecs: 3996) ...

	export RE_LINE_TRACE_SUMMARY_HEADER="\s*syscall\s+calls\s+(?:errors\s+)?total\s+min\s+avg\s+max\s+stddev"
	# A header of a perf-trace summary table
	# Example:
	# syscall calls total min avg max stddev
	# syscall calls errors total min avg max stddev


	export RE_LINE_TRACE_SUMMARY_CONTENT="^\s*\w+\s+(?:$RE_NUMBER\s+){5,6}$RE_NUMBER%"
	# A line of a perf-trace summary table
	# Example:
	# open 3 0.017 0.005 0.006 0.007 10.90%
	# openat 2 0 0.017 0.008 0.009 0.010 12.29%


	export RE_LINE_REPORT_CONTENT="^\s+$RE_NUMBER%\s+\w+\s+\S+\s+\S+\s+\S+" # FIXME
	# A line from typicap perf report --stdio output
	# Example:
	# 100.00% sleep [kernel.vmlinux] [k] syscall_return_slowpath


	export RE_TASK="\s+[\w~\/ \.\+:#-]+(?:\[-1(?:\/\d+)?\]\|\[\d+(?:\/\d+)?\])"
	# A name of a task used for perf sched timehist -s
	# Example:
	# sleep[62755]
	# runtest.sh[62762]
	# gmain[705/682]
	# xfsaild/dm-0[495]
	# kworker/u8:1-ev[62714]
	# :-1[-1/62756]
	# :-1[-1]
	# :-1[62756]


	export RE_SEGFAULT=".(?:Segmentation\sfault\|SIGSEGV\|\score\s\|dumped\|segfault)."
	# Possible variations of the segfault message
	# Example:
	# /bin/bash: line 1: 32 Segmentation fault timeout 15s
	# Segmentation fault (core dumped)
	# Program terminated with signal SIGSEGV
	#! WARNING: 12323431 isn't a 'cpu_core', please use a CPU list in the 'cpu_core' range (0-15)