/* * Copyright (c) 2016, Amir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #ifndef __NET_TC_TUNNEL_KEY_H #define __NET_TC_TUNNEL_KEY_H #include #include #include struct tcf_tunnel_key_params { struct rcu_head rcu; int tcft_action; int action; struct metadata_dst *tcft_enc_metadata; }; struct tcf_tunnel_key { struct tc_action common; struct tcf_tunnel_key_params __rcu *params; }; #define to_tunnel_key(a) ((struct tcf_tunnel_key *)a) static inline bool is_tcf_tunnel_set(const struct tc_action *a) { #ifdef CONFIG_NET_CLS_ACT struct tcf_tunnel_key *t = to_tunnel_key(a); struct tcf_tunnel_key_params *params = rtnl_dereference(t->params); if (a->ops && a->ops->type == TCA_ACT_TUNNEL_KEY) return params->tcft_action == TCA_TUNNEL_KEY_ACT_SET; #endif return false; } static inline bool is_tcf_tunnel_release(const struct tc_action *a) { #ifdef CONFIG_NET_CLS_ACT struct tcf_tunnel_key *t = to_tunnel_key(a); struct tcf_tunnel_key_params *params = rtnl_dereference(t->params); if (a->ops && a->ops->type == TCA_ACT_TUNNEL_KEY) return params->tcft_action == TCA_TUNNEL_KEY_ACT_RELEASE; #endif return false; } static inline struct ip_tunnel_info *tcf_tunnel_info(const struct tc_action *a) { #ifdef CONFIG_NET_CLS_ACT struct tcf_tunnel_key *t = to_tunnel_key(a); struct tcf_tunnel_key_params *params = rtnl_dereference(t->params); return ¶ms->tcft_enc_metadata->u.tun_info; #else return NULL; #endif } #endif /* __NET_TC_TUNNEL_KEY_H */ a class='active' href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/host/whci?id=4a057549d6044c2dea47e80f8369a76225ec9d90'>commitdiff
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authorBaolin Wang <baolin.wang@linaro.org>2016-11-28 14:35:21 -0800
committerThomas Gleixner <tglx@linutronix.de>2016-12-01 14:45:08 +0100
commit4a057549d6044c2dea47e80f8369a76225ec9d90 (patch)
treee2951737c3fcee363a24c6bc2f09be6e8ae9129b /drivers/usb/host/whci
parent2924ecd441f3c12da59b297daade265f49d0831b (diff)
alarmtimer: Add tracepoints for alarm timers
Alarm timers are one of the mechanisms to wake up a system from suspend, but there exist no tracepoints to analyse which process/thread armed an alarmtimer. Add tracepoints for start/cancel/expire of individual alarm timers and one for tracing the suspend time decision when to resume the system. The following trace excerpt illustrates the new mechanism: Binder:3292_2-3304 [000] d..2 149.981123: alarmtimer_cancel: alarmtimer:ffffffc1319a7800 type:REALTIME expires:1325463120000000000 now:1325376810370370245 Binder:3292_2-3304 [000] d..2 149.981136: alarmtimer_start: alarmtimer:ffffffc1319a7800 type:REALTIME expires:1325376840000000000 now:1325376810370384591 Binder:3292_9-3953 [000] d..2 150.212991: alarmtimer_cancel: alarmtimer:ffffffc1319a5a00 type:BOOTTIME expires:179552000000 now:150154008122 Binder:3292_9-3953 [000] d..2 150.213006: alarmtimer_start: alarmtimer:ffffffc1319a5a00 type:BOOTTIME expires:179551000000 now:150154025622 system_server-3000 [002] ...1 162.701940: alarmtimer_suspend: alarmtimer type:REALTIME expires:1325376840000000000 The wakeup time which is selected at suspend time allows to map it back to the task arming the timer: Binder:3292_2. [ tglx: Store alarm timer expiry time instead of some useless RTC relative information, add proper type information for wakeups which are handled via the clock_nanosleep/freezer and massage the changelog. ] Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: John Stultz <john.stultz@linaro.org> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Richard Cochran <richardcochran@gmail.com> Link: http://lkml.kernel.org/r/1480372524-15181-5-git-send-email-john.stultz@linaro.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/usb/host/whci')