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authorArnaldo Carvalho de Melo <acme@redhat.com>2021-09-08 21:09:08 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-11-13 22:11:51 +0100
commit7380aa89904f3e243e2f339c022e597bf3a77191 (patch)
tree1b0954e5153d589f4fd5349e6a8e1e9cf4cc688c /.mailmap
parentperf test bpf: Use ARRAY_CHECK() instead of ad-hoc equivalent, addressing arr... (diff)
downloadlinux-7380aa89904f3e243e2f339c022e597bf3a77191.tar.xz
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tools headers UAPI: Sync files changed by new futex_waitv syscall
To pick the changes in these csets: 039c0ec9bb77446d ("futex,x86: Wire up sys_futex_waitv()") bf69bad38cf63d98 ("futex: Implement sys_futex_waitv()") That add support for this new syscall in tools such as 'perf trace'. For instance, this is now possible: # perf trace -e futex_waitv ^C# # perf trace -v -e futex_waitv Using CPUID AuthenticAMD-25-21-0 event qualifier tracepoint filter: (common_pid != 807333 && common_pid != 3564) && (id == 449) mmap size 528384B ^C# # perf trace -v -e futex* --max-events 10 Using CPUID AuthenticAMD-25-21-0 event qualifier tracepoint filter: (common_pid != 812168 && common_pid != 3564) && (id == 202 || id == 449) mmap size 528384B ? ( ): Timer/219310 ... [continued]: futex()) = -1 ETIMEDOUT (Connection timed out) 0.012 ( 0.002 ms): Timer/219310 futex(uaddr: 0x7fd0b152d3c8, op: WAKE|PRIVATE_FLAG, val: 1) = 0 0.024 ( 0.060 ms): Timer/219310 futex(uaddr: 0x7fd0b152d420, op: WAIT_BITSET|PRIVATE_FLAG, utime: 0x7fd0b1657840, val3: MATCH_ANY) = 0 0.086 ( 0.001 ms): Timer/219310 futex(uaddr: 0x7fd0b152d3c8, op: WAKE|PRIVATE_FLAG, val: 1) = 0 0.088 ( ): Timer/219310 futex(uaddr: 0x7fd0b152d424, op: WAIT_BITSET|PRIVATE_FLAG, utime: 0x7fd0b1657840, val3: MATCH_ANY) ... 0.075 ( 0.005 ms): Web Content/219299 futex(uaddr: 0x7fd0b152d420, op: WAKE|PRIVATE_FLAG, val: 1) = 1 0.169 ( 0.004 ms): Web Content/219299 futex(uaddr: 0x7fd0b152d424, op: WAKE|PRIVATE_FLAG, val: 1) = 1 0.088 ( 0.089 ms): Timer/219310 ... [continued]: futex()) = 0 0.179 ( 0.001 ms): Timer/219310 futex(uaddr: 0x7fd0b152d3c8, op: WAKE|PRIVATE_FLAG, val: 1) = 0 0.181 ( ): Timer/219310 futex(uaddr: 0x7fd0b152d420, op: WAIT_BITSET|PRIVATE_FLAG, utime: 0x7fd0b1657840, val3: MATCH_ANY) ... # That is the filter expression attached to the raw_syscalls:sys_{enter,exit} tracepoints. $ grep futex_waitv tools/perf/arch/x86/entry/syscalls/syscall_64.tbl 449 common futex_waitv sys_futex_waitv $ This addresses these perf build warnings: Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/unistd.h' differs from latest version at 'include/uapi/asm-generic/unistd.h' diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h Warning: Kernel ABI header at 'tools/perf/arch/x86/entry/syscalls/syscall_64.tbl' differs from latest version at 'arch/x86/entry/syscalls/syscall_64.tbl' diff -u tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl Cc: André Almeida <andrealmeid@collabora.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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