aboutsummaryrefslogtreecommitdiff
path: root/tools/perf
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo2020-02-11 11:58:56 -0300
committerArnaldo Carvalho de Melo2020-02-11 16:41:06 -0300
commitc452833387624d1990c9bbb0ee1e98c10c147478 (patch)
tree5d3f8d02edc12ee2b61b3c31ebec74a6ab7b079e /tools/perf
parentbc5f15be2c814ca1ff6bb4e62d5b275a8c88cbb1 (diff)
tools include UAPI: Sync x86's syscalls_64.tbl, generic unistd.h and fcntl.h to pick up openat2 and pidfd_getfd
fddb5d430ad9 ("open: introduce openat2(2) syscall") 9a2cef09c801 ("arch: wire up pidfd_getfd syscall") We also need to grab a copy of uapi/linux/openat2.h since it is now needed by fcntl.h, add it to tools/perf/check_headers.h. $ diff -u tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl --- tools/perf/arch/x86/entry/syscalls/syscall_64.tbl 2019-12-20 16:43:57.662429958 -0300 +++ arch/x86/entry/syscalls/syscall_64.tbl 2020-02-10 16:36:22.070012468 -0300 @@ -357,6 +357,8 @@ 433 common fspick __x64_sys_fspick 434 common pidfd_open __x64_sys_pidfd_open 435 common clone3 __x64_sys_clone3/ptregs +437 common openat2 __x64_sys_openat2 +438 common pidfd_getfd __x64_sys_pidfd_getfd # # x32-specific system call numbers start at 512 to avoid cache impact $ Update tools/'s copy of that file: $ cp arch/x86/entry/syscalls/syscall_64.tbl tools/perf/arch/x86/entry/syscalls/syscall_64.tbl See the result: $ diff -u /tmp/build/perf/arch/x86/include/generated/asm/syscalls_64.c.before /tmp/build/perf/arch/x86/include/generated/asm/syscalls_64.c --- /tmp/build/perf/arch/x86/include/generated/asm/syscalls_64.c.before 2020-02-10 16:42:59.010636041 -0300 +++ /tmp/build/perf/arch/x86/include/generated/asm/syscalls_64.c 2020-02-10 16:43:24.149958337 -0300 @@ -346,5 +346,7 @@ [433] = "fspick", [434] = "pidfd_open", [435] = "clone3", + [437] = "openat2", + [438] = "pidfd_getfd", }; -#define SYSCALLTBL_x86_64_MAX_ID 435 +#define SYSCALLTBL_x86_64_MAX_ID 438 $ Now one can use: perf trace -e openat2,pidfd_getfd To get just those syscalls or use in things like: perf trace -e open* To get all the open variant (open, openat, openat2, etc) or: perf trace pidfd* To get the pidfd syscalls. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Aleksa Sarai <cyphar@cyphar.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christian Brauner <christian.brauner@ubuntu.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Sargun Dhillon <sargun@sargun.me> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/arch/x86/entry/syscalls/syscall_64.tbl2
-rwxr-xr-xtools/perf/check-headers.sh1
2 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index c29976eca4a8..44d510bc9b78 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -357,6 +357,8 @@
433 common fspick __x64_sys_fspick
434 common pidfd_open __x64_sys_pidfd_open
435 common clone3 __x64_sys_clone3/ptregs
+437 common openat2 __x64_sys_openat2
+438 common pidfd_getfd __x64_sys_pidfd_getfd
#
# x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
index 68039a96c1dc..bfb21d049e6c 100755
--- a/tools/perf/check-headers.sh
+++ b/tools/perf/check-headers.sh
@@ -13,6 +13,7 @@ include/uapi/linux/kcmp.h
include/uapi/linux/kvm.h
include/uapi/linux/in.h
include/uapi/linux/mount.h
+include/uapi/linux/openat2.h
include/uapi/linux/perf_event.h
include/uapi/linux/prctl.h
include/uapi/linux/sched.h