From 361f2b1d1d7231b8685d990b886f599378a4d5a5 Mon Sep 17 00:00:00 2001 From: Wang Nan Date: Mon, 16 Nov 2015 12:10:05 +0000 Subject: perf bpf: Allow BPF program attach to uprobe events This patch adds a new syntax to the BPF object section name to support probing at uprobe event. Now we can use BPF program like this: SEC( "exec=/lib64/libc.so.6;" "libcwrite=__write" ) int libcwrite(void *ctx) { return 1; } Where, in section name of a program, before the main config string, we can use 'key=value' style options. Now the only option key is "exec", for uprobes. Signed-off-by: Wang Nan Cc: Alexei Starovoitov Cc: Masami Hiramatsu Cc: Zefan Li Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1447675815-166222-4-git-send-email-wangnan0@huawei.com [ Changed the separator from \n to ; ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/bpf-loader.h | 1 + 1 file changed, 1 insertion(+) (limited to 'tools/perf/util/bpf-loader.h') diff --git a/tools/perf/util/bpf-loader.h b/tools/perf/util/bpf-loader.h index 9caf3ae4acf3..d19f5c5d6d74 100644 --- a/tools/perf/util/bpf-loader.h +++ b/tools/perf/util/bpf-loader.h @@ -20,6 +20,7 @@ enum bpf_loader_errno { BPF_LOADER_ERRNO__EVENTNAME, /* Event name is missing */ BPF_LOADER_ERRNO__INTERNAL, /* BPF loader internal error */ BPF_LOADER_ERRNO__COMPILE, /* Error when compiling BPF scriptlet */ + BPF_LOADER_ERRNO__CONFIG_TERM, /* Invalid config term in config term */ __BPF_LOADER_ERRNO__END, }; -- cgit v1.2.3