/* Copyright (c) 2015 PLUMgrid, http://plumgrid.com * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public * License as published by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include "libbpf.h" #include "bpf_load.h" struct pair { long long val; __u64 ip; }; static __u64 time_get_ns(void) { struct timespec ts; clock_gettime(CLOCK_MONOTONIC, &ts); return ts.tv_sec * 1000000000ull + ts.tv_nsec; } static void print_old_objects(int fd) { long long val = time_get_ns(); __u64 key, next_key; struct pair v; key = write(1, "\e[1;1H\e[2J", 12); /* clear screen */ key = -1; while (bpf_map_get_next_key(map_fd[0], &key, &next_key) == 0) { bpf_map_lookup_elem(map_fd[0], &next_key, &v); key = next_key; if (val - v.val < 1000000000ll) /* object was allocated more then 1 sec ago */ continue; printf("obj 0x%llx is %2lldsec old was allocated at ip %llx\n", next_key, (val - v.val) / 1000000000ll, v.ip); } } int main(int ac, char **argv) { char filename[256]; int i; snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); if (load_bpf_file(filename)) { printf("%s", bpf_log_buf); return 1; } for (i = 0; ; i++) { print_old_objects(map_fd[1]); sleep(1); } return 0; } /table>
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authorHelge Deller <deller@gmx.de>2017-01-28 11:52:02 +0100
committerHelge Deller <deller@gmx.de>2017-01-28 21:54:23 +0100
commit2ad5d52d42810bed95100a3d912679d8864421ec (patch)
tree7f93e2f906b1c86f5b76c0f4c0978d41a8a29861 /sound/oss/sb_card.c
parent83b5d1e3d3013dbf90645a5d07179d018c8243fa (diff)
parisc: Don't use BITS_PER_LONG in userspace-exported swab.h header
In swab.h the "#if BITS_PER_LONG > 32" breaks compiling userspace programs if BITS_PER_LONG is #defined by userspace with the sizeof() compiler builtin. Solve this problem by using __BITS_PER_LONG instead. Since we now #include asm/bitsperlong.h avoid further potential userspace pollution by moving the #define of SHIFT_PER_LONG to bitops.h which is not exported to userspace. This patch unbreaks compiling qemu on hppa/parisc. Signed-off-by: Helge Deller <deller@gmx.de> Cc: <stable@vger.kernel.org>
Diffstat (limited to 'sound/oss/sb_card.c')