/* * netsniff-ng - the packet sniffing beast * Copyright 2009, 2010 Daniel Borkmann. * Copyright 2010 Marek Polacek. * Subject to the GPL, version 2. */ #include #include "iosched.h" #include "die.h" #define IOPRIO_CLASS_SHIFT 13 enum { ioprio_class_none, ioprio_class_rt, ioprio_class_be, ioprio_class_idle, }; enum { ioprio_who_process = 1, ioprio_who_pgrp, ioprio_who_user, }; static const char *const to_prio[] = { "none", "realtime", "best-effort", "idle", }; static inline int ioprio_set(int which, int who, int ioprio) { return syscall(SYS_ioprio_set, which, who, ioprio); } static inline int ioprio_get(int which, int who) { return syscall(SYS_ioprio_get, which, who); } static void ioprio_setpid(pid_t pid, int ioprio, int ioclass) { int ret = ioprio_set(ioprio_who_process, pid, ioprio | ioclass << IOPRIO_CLASS_SHIFT); if (ret < 0) panic("Failed to set io prio for pid!\n"); } void ioprio_print(void) { int ioprio = ioprio_get(ioprio_who_process, getpid()); if (ioprio < 0) panic("Failed to fetch io prio for pid!\n"); else { int ioclass = ioprio >> IOPRIO_CLASS_SHIFT; if (ioclass != ioprio_class_idle) { ioprio &= 0xff; printf("%s: prio %d\n", to_prio[ioclass], ioprio); } else printf("%s\n", to_prio[ioclass]); } } void set_ioprio_rt(void) { ioprio_setpid(getpid(), 4, ioprio_class_rt); } void set_ioprio_be(void) { ioprio_setpid(getpid(), 4, ioprio_class_be); } td class='sub'>net-next plumbingsTobias Klauser
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authorMickaël Salaün <mic@digikod.net>2017-02-10 00:21:41 +0100
committerDavid S. Miller <davem@davemloft.net>2017-02-10 15:56:07 -0500
commite58383b803499bd623b737070038af94d0b8a3c7 (patch)
tree8878490cce2abb40872e9e33b0b41b21aaaa8d3b /tools/testing/selftests
parente5ff7c4019c6cb6e86bc9d6d16e8a8f921133c70 (diff)
bpf: Use bpf_map_delete_elem() from the library
Replace bpf_map_delete() with bpf_map_delete_elem() calls. Signed-off-by: Mickaël Salaün <mic@digikod.net> Cc: Alexei Starovoitov <ast@fb.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/testing/selftests')
-rw-r--r--tools/testing/selftests/bpf/bpf_sys.h10
-rw-r--r--tools/testing/selftests/bpf/test_lru_map.c6
-rw-r--r--tools/testing/selftests/bpf/test_maps.c22
3 files changed, 14 insertions, 24 deletions
diff --git a/tools/testing/selftests/bpf/bpf_sys.h b/tools/testing/selftests/bpf/bpf_sys.h