From patchwork Sat Feb 6 15:04:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Theil X-Patchwork-Id: 12072189 X-Patchwork-Delegate: johannes@sipsolutions.net Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3596C433E0 for ; Sat, 6 Feb 2021 15:06:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9207164DDD for ; Sat, 6 Feb 2021 15:06:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229763AbhBFPGA (ORCPT ); Sat, 6 Feb 2021 10:06:00 -0500 Received: from smail.rz.tu-ilmenau.de ([141.24.186.67]:40845 "EHLO smail.rz.tu-ilmenau.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229981AbhBFPFd (ORCPT ); Sat, 6 Feb 2021 10:05:33 -0500 Received: from isengard.fritz.box (unknown [87.147.51.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smail.rz.tu-ilmenau.de (Postfix) with ESMTPSA id 3D20E58005E; Sat, 6 Feb 2021 16:04:40 +0100 (CET) From: Markus Theil To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Markus Theil Subject: [PATCH] iw: add option to print human readable event time Date: Sat, 6 Feb 2021 16:04:32 +0100 Message-Id: <20210206150432.10456-1-markus.theil@tu-ilmenau.de> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Signed-off-by: Markus Theil --- event.c | 30 ++++++++++++++++++++++++------ iw.h | 2 +- 2 files changed, 25 insertions(+), 7 deletions(-) diff --git a/event.c b/event.c index 61395f8..8bdbbe9 100644 --- a/event.c +++ b/event.c @@ -3,6 +3,7 @@ #include #include #include +#include #include "iw.h" static int no_seq_check(struct nl_msg *msg, void *arg) @@ -905,12 +906,13 @@ static int print_event(struct nl_msg *msg, void *arg) int rem_nst; __u16 status; - if (args->time || args->reltime) { + if (args->time || args->reltime || args->ctime) { unsigned long long usecs, previous; previous = 1000000ULL * args->ts.tv_sec + args->ts.tv_usec; gettimeofday(&args->ts, NULL); usecs = 1000000ULL * args->ts.tv_sec + args->ts.tv_usec; + if (args->reltime) { if (!args->have_ts) { usecs = 0; @@ -918,7 +920,16 @@ static int print_event(struct nl_msg *msg, void *arg) } else usecs -= previous; } - printf("%llu.%06llu: ", usecs/1000000, usecs % 1000000); + + if (args->ctime) { + struct tm *tm = localtime(&args->ts.tv_sec); + char buf[255]; + + memset(buf, 0, 255); + strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", tm); + printf("[%s.%06lu]: ", buf, args->ts.tv_usec); + } else + printf("%llu.%06llu: ", usecs/1000000, usecs % 1000000); } nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), @@ -1407,6 +1418,7 @@ static int print_events(struct nl80211_state *state, enum id_input id) { struct print_event_args args; + int num_time_formats = 0; int ret; memset(&args, 0, sizeof(args)); @@ -1417,17 +1429,22 @@ static int print_events(struct nl80211_state *state, while (argc > 0) { if (strcmp(argv[0], "-f") == 0) args.frame = true; - else if (strcmp(argv[0], "-t") == 0) + else if (strcmp(argv[0], "-t") == 0) { + num_time_formats++; args.time = true; - else if (strcmp(argv[0], "-r") == 0) + } else if (strcmp(argv[0], "-T") == 0) { + num_time_formats++; + args.ctime = true; + } else if (strcmp(argv[0], "-r") == 0) { + num_time_formats++; args.reltime = true; - else + } else return 1; argc--; argv++; } - if (args.time && args.reltime) + if (num_time_formats > 1) return 1; if (argc) @@ -1442,5 +1459,6 @@ static int print_events(struct nl80211_state *state, TOPLEVEL(event, "[-t|-r] [-f]", 0, 0, CIB_NONE, print_events, "Monitor events from the kernel.\n" "-t - print timestamp\n" + "-T - print absolute, human-readable timestamp\n" "-r - print relative timestamp\n" "-f - print full frame for auth/assoc etc."); diff --git a/iw.h b/iw.h index 807adec..7f7f4fc 100644 --- a/iw.h +++ b/iw.h @@ -181,7 +181,7 @@ int handle_cmd(struct nl80211_state *state, enum id_input idby, struct print_event_args { struct timeval ts; /* internal */ bool have_ts; /* must be set false */ - bool frame, time, reltime; + bool frame, time, reltime, ctime; }; __u32 listen_events(struct nl80211_state *state,