Public bug reported:
"perf record --help" indicates that it should support compression:
"""
-z, --compression-level[=n]
Produce compressed trace using specified level n (default: 1 -
fastest compression, 22 - smallest trace)
"""
However, when trying to use that option, one gets the following error:
"""
Error: unknown switch `z'
Usage: perf record [<options>] [<command>]
or: perf record [<options>] -- <command> [<options>]
[etc.]
"""
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-tools-common 5.4.0-54.60
ProcVersionSignature: Ubuntu 5.4.0-54.60-generic 5.4.65
Uname: Linux 5.4.0-54-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.12
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: antoine 2985 F.... pulseaudio
/dev/snd/controlC1: antoine 2985 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
Date: Thu Nov 26 18:03:55 2020
InstallationDate: Installed on 2013-04-12 (2784 days ago)
InstallationMedia: Xubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130409)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
PackageArchitecture: all
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-54-generic
root=UUID=ed011dc6-f138-4ba8-9e89-bc69c075a0d8 ro quiet splash nomodeset vga=845
RelatedPackageVersions:
linux-restricted-modules-5.4.0-54-generic N/A
linux-backports-modules-5.4.0-54-generic N/A
linux-firmware 1.187.4
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-09-06 (81 days ago)
dmi.bios.date: 07/03/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P5.50
dmi.board.name: X370 Gaming X
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP5.50:bd07/03/2019:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnX370GamingX:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
modified.conffile..etc.default.apport:
# set this to 0 to disable apport, or to 1 to enable it
# you can temporarily override this with
# sudo service apport start force_start=1
enabled=0
mtime.conffile..etc.default.apport: 2019-04-25T00:25:35.163654
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1905761
Title:
"perf record" doesn't have compression enabled
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