From 1d86275225b4c9db3fb426e992886df5051f0047 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 16 Jul 2019 16:34:27 -0300 Subject: [PATCH] perf trace beauty: Make connect's addrlen be printed as an int, not hex MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit # perf trace -e connec* ssh www.bla.com connect(3, { .family: PF_LOCAL, path: /var/run/nscd/socket }, 110) = -1 ENOENT (No such file or directory) connect(3, { .family: PF_LOCAL, path: /var/run/nscd/socket }, 110) = -1 ENOENT (No such file or directory) connect(4, { .family: PF_LOCAL, path: /var/lib/sss/pipes/nss }, 110) = 0 connect(7, { .family: PF_LOCAL, path: /var/run/nscd/socket }, 110) = -1 ENOENT (No such file or directory) connect(7, { .family: PF_LOCAL, path: /var/run/nscd/socket }, 110) = -1 ENOENT (No such file or directory) connect(5, { .family: PF_LOCAL, path: /var/run/nscd/socket }, 110) = -1 ENOENT (No such file or directory) connect(5, { .family: PF_LOCAL, path: /var/run/nscd/socket }, 110) = -1 ENOENT (No such file or directory) connect(5, { .family: PF_INET, port: 53, addr: 192.168.44.1 }, 16) = 0 connect(5, { .family: PF_INET, port: 22, addr: 146.112.61.108 }, 16) = 0 connect(5, { .family: PF_INET6, port: 22, addr: ::ffff:146.112.61.108 }, 28) = 0 ^Cconnect(5, { .family: PF_INET, port: 22, addr: 146.112.61.108 }, 16) = -1 (unknown) (INTERNAL ERROR: strerror_r(512, [buf], 128)=22) # Argh, the SCA_FD needs to invalidate its cache when close is done... It works if the 'close' syscall is not filtered out ;-\ # perf trace -e close,connec* ssh www.bla.com close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 close(4) = 0 close(3) = 0 close(3) = 0 connect(3, { .family: PF_LOCAL, path: /var/run/nscd/socket }, 110) = -1 ENOENT (No such file or directory) close(3) = 0 connect(3, { .family: PF_LOCAL, path: /var/run/nscd/socket }, 110) = -1 ENOENT (No such file or directory) close(3) = 0 close(3) = 0 close(3) = 0 close(3) = 0 connect(4, { .family: PF_LOCAL, path: /var/lib/sss/pipes/nss }, 110) = 0 ^C # Will disable this beautifier when 'close' is filtered out... Cc: Adrian Hunter Cc: Jiri Olsa Cc: Luis Cláudio Gonçalves Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-ekuiciyx4znchvy95c8p1yyi@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 5258399a1c94..123d7efc12e8 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -725,7 +725,8 @@ static struct syscall_fmt { { .name = "close", .arg = { [0] = { .scnprintf = SCA_CLOSE_FD, /* fd */ }, }, }, { .name = "connect", - .arg = { [1] = { .scnprintf = SCA_SOCKADDR, /* servaddr */ }, }, }, + .arg = { [1] = { .scnprintf = SCA_SOCKADDR, /* servaddr */ }, + [2] = { .scnprintf = SCA_INT, /* addrlen */ }, }, }, { .name = "epoll_ctl", .arg = { [1] = STRARRAY(op, epoll_ctl_ops), }, }, { .name = "eventfd2", -- 2.45.2