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2020-04-14tools headers UAPI: Sync sched.h with the kernelArnaldo Carvalho de Melo1-0/+5
To get the changes in: ef2c41cf38a7 ("clone3: allow spawning processes into cgroups") Add that to 'perf trace's clone 'flags' decoder. This silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/sched.h' differs from latest version at 'include/uapi/linux/sched.h' diff -u tools/include/uapi/linux/sched.h include/uapi/linux/sched.h Cc: Adrian Hunter <[email protected]> Cc: Christian Brauner <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Tejun Heo <[email protected]> Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2020-02-11tools headers UAPI: Sync sched.h with the kernelArnaldo Carvalho de Melo1-0/+6
To get the changes in: 769071ac9f20 ("ns: Introduce Time Namespace") Silencing this tools/perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/sched.h' differs from latest version at 'include/uapi/linux/sched.h' diff -u tools/include/uapi/linux/sched.h include/uapi/linux/sched.h Which enables 'perf trace' to decode the CLONE_NEWTIME bit in the 'flags' argument to the clone syscalls. Example of clone flags being decoded: [root@quaco ~]# perf trace -e clone* 0.000 qemu-system-x8/23923 clone(clone_flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, newsp: 0x7f0dad7f9870, parent_tidptr: 0x7f0dad7fa9d0, child_tidptr: 0x7f0dad7fa9d0, tls: 0x7f0dad7fa700) = 6806 (qemu-system-x86) ? qemu-system-x8/6806 ... [continued]: clone()) = 0 ^C[root@quaco ~]# At some point this should enable things like: # perf trace -e 'clone*/clone_flags&NEWTIME/' Cc: Adrian Hunter <[email protected]> Cc: Andrei Vagin <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Thomas Gleixner <[email protected]> Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-12-02tools headers UAPI: Sync sched.h with the kernelArnaldo Carvalho de Melo1-18/+42
To get the changes in: 0acefef58451 ("Merge tag 'threads-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux") 49cb2fc42ce4 ("fork: extend clone3() to support setting a PID") fa729c4df558 ("clone3: validate stack arguments") b612e5df4587 ("clone3: add CLONE_CLEAR_SIGHAND") This file gets rebuilt, but no changes ensues: CC /tmp/build/perf/trace/beauty/clone.o This addresses this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/sched.h' differs from latest version at 'include/uapi/linux/sched.h' diff -u tools/include/uapi/linux/sched.h include/uapi/linux/sched. The CLONE_CLEAR_SIGHAND one will be used in tools/perf/trace/beauty/clone.c in a followup patch to show that string when this bit is set in the syscall arg. Keeping a copy of this file allows us to build this in older systems and have the binary support printing that flag whenever that system gets its kernel updated to one where this feature is present. Cc: Adrian Hunter <[email protected]> Cc: Adrian Reber <[email protected]> Cc: Christian Brauner <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-10-15tools headers UAPI: Sync sched.h with the kernelArnaldo Carvalho de Melo1-2/+28
To get the changes in: 78f6face5af3 ("sched: add kernel-doc for struct clone_args") f14c234b4bc5 ("clone3: switch to copy_struct_from_user()") This file gets rebuilt, but no changes ensues: CC /tmp/build/perf/trace/beauty/clone.o This addresses this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/sched.h' differs from latest version at 'include/uapi/linux/sched.h' diff -u tools/include/uapi/linux/sched.h include/uapi/linux/sched.h Cc: Adrian Hunter <[email protected]> Cc: Aleksa Sarai <[email protected]> Cc: Christian Brauner <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-07-29tools headers UAPI: Sync sched.h with the kernelArnaldo Carvalho de Melo1-1/+29
To get the changes in: a509a7cd7974 ("sched/uclamp: Extend sched_setattr() to support utilization clamping") 1d6362fa0cfc ("sched/core: Allow sched_setattr() to use the current policy") 7f192e3cd316 ("fork: add clone3") And silence this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/sched.h' differs from latest version at 'include/uapi/linux/sched.h' diff -u tools/include/uapi/linux/sched.h include/uapi/linux/sched.h No changes in tools/ due to the above. Cc: Adrian Hunter <[email protected]> Cc: Christian Brauner <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Luis Cláudio Gonçalves <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Patrick Bellasi <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-05-28tools headers UAPI: Sync linux/sched.h with the kernelArnaldo Carvalho de Melo1-0/+1
To pick up the change in: b3e583825266 ("clone: add CLONE_PIDFD") This requires changes in the 'perf trace' beautification routines for the 'clone' syscall args, which is done in a followup patch. This silences the following perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/sched.h' differs from latest version at 'include/uapi/linux/sched.h' diff -u tools/include/uapi/linux/sched.h include/uapi/linux/sched.h Cc: Adrian Hunter <[email protected]> Cc: Brendan Gregg <[email protected]> Cc: Christian Brauner <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Luis Cláudio Gonçalves <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2018-02-02tools headers: Synchronize uapi/linux/sched.hArnaldo Carvalho de Melo1-0/+5
To get the tools copy updated with the changes in 34be39305a77 ("sched/deadline: Implement "runtime overrun signal" support"), that cause no effect on the tools, will be used when we start copying the sched_attr struct argument to the sched_get/setattr syscalls. Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Juri Lelli <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2017-11-04tools/headers: Synchronize kernel ABI headersIngo Molnar1-0/+1
After the SPDX license tags were added a number of tooling headers got out of sync with their kernel variants, generating lots of build warnings. Sync them: - tools/arch/x86/include/asm/disabled-features.h, tools/arch/x86/include/asm/required-features.h, tools/include/linux/hash.h: Remove the SPDX tag where the kernel version does not have it. - tools/include/asm-generic/bitops/__fls.h, tools/include/asm-generic/bitops/arch_hweight.h, tools/include/asm-generic/bitops/const_hweight.h, tools/include/asm-generic/bitops/fls.h, tools/include/asm-generic/bitops/fls64.h, tools/include/uapi/asm-generic/ioctls.h, tools/include/uapi/asm-generic/mman-common.h, tools/include/uapi/sound/asound.h, tools/include/uapi/linux/kvm.h, tools/include/uapi/linux/perf_event.h, tools/include/uapi/linux/sched.h, tools/include/uapi/linux/vhost.h, tools/include/uapi/sound/asound.h: Add the SPDX tag of the respective kernel header. - tools/include/uapi/linux/bpf_common.h, tools/include/uapi/linux/fcntl.h, tools/include/uapi/linux/hw_breakpoint.h, tools/include/uapi/linux/mman.h, tools/include/uapi/linux/stat.h, Change the tag to the kernel header version: -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ Also sync other header details: - include/uapi/sound/asound.h: Fix pointless end of line whitespace noise the header grew in this cycle. - tools/arch/x86/lib/memcpy_64.S: Sync the code and add tools/include/asm/export.h with dummy wrappers to support building the kernel side code in a tooling header environment. - tools/include/uapi/asm-generic/mman.h, tools/include/uapi/linux/bpf.h: Sync other details that don't impact tooling's use of the ABIs. Acked-by: Arnaldo Carvalho de Melo <[email protected]> Cc: [email protected] Cc: Greg Kroah-Hartman <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Stephen Rothwell <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2017-07-20tools include uapi: Grab a copy of linux/sched.hArnaldo Carvalho de Melo1-0/+52
So that we make sure we have recent enough defines for things such as 'perf trace' system call argument beautifiers. For instance, the 'clone' syscall argument 'flag' needs to use CLONE_NEWCGROUP, and that is not available in RHEL7. Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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