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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: "Suanming.Mou" <mousuanming@huawei.com>,
	"Varghese, Vipin" <vipin.varghese@intel.com>,
	"Pattan, Reshma" <reshma.pattan@intel.com>
Cc: "'dev@dpdk.org'" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] app/pdump: exits once primary app exited
Date: Fri, 26 Apr 2019 15:50:35 +0100	[thread overview]
Message-ID: <1144691f-7aeb-5300-cb54-9fa57d538a75@intel.com> (raw)
Message-ID: <20190426145035.NIY38Lk1CBcQuj5ORQeZB2RywWhQFwc8e3bGj5hktAA@z> (raw)
In-Reply-To: <0de4a0d5-85fa-8290-20af-62fdf66e2e94@huawei.com>

On 26-Apr-19 3:49 PM, Suanming.Mou wrote:
> 
> On 2019/4/26 22:39, Burakov, Anatoly wrote:
>> On 26-Apr-19 3:32 PM, Suanming.Mou wrote:
>>>
>>> On 2019/4/26 21:46, Burakov, Anatoly wrote:
>>>> On 26-Apr-19 1:08 PM, Suanming.Mou wrote:
>>>>>
>>>>> On 2019/4/26 18:56, Varghese, Vipin wrote:
>>>>>>
>>>>>> I will leave this suggestion open for comments from the maintainer.
>>>>>>
>>>>> Hi,
>>>>>
>>>>> Thanks for your suggestion. I have also tried to add an slave core 
>>>>> to monitor the primary status this afternoon.  It works.
>>>>>
>>>>> I doubt if it can be add an new option as you suggested, but which 
>>>>> will also require people who complain the exiting to add an extra 
>>>>> slave core for that.
>>>>>
>>>>> Please waiting for the new patch in one or two days.
>>>>>
>>>>
>>>> You can use alarm API to check for this regularly. It's not like the 
>>>> interrupt thread is doing much anyway. Just set alarm to fire every 
>>>> N seconds, and that's it.
>>>
>>> Hi,
>>>
>>> Thank you very much for the suggestion. Yes, that seems the best 
>>> solution.  Just tested it roughly as the code below:
>>>
>>> +static void monitor_primary(void *arg __rte_unused)
>>> +{
>>> +    if (quit_signal)
>>> +        return;
>>> +
>>> +    if (rte_eal_primary_proc_alive(NULL))
>>> +        rte_eal_alarm_set(MONITOR_INTERVEL, monitor_primary, NULL);
>>> +    else
>>> +        quit_signal = 1;
>>> +
>>> +    return;
>>> +}
>>> +
>>>   static inline void
>>>   dump_packets(void)
>>>   {
>>>       int i;
>>>       uint32_t lcore_id = 0;
>>>
>>> +    if (exit_with_primary)
>>> +        rte_eal_alarm_set(MONITOR_INTERVEL, monitor_primary, NULL);
>>> +
>>>
>>>
>>> I will prepare the patch with option exit_with_primary.
>>>
>>
>> Actually, i'm curious if this really does work. Unless my knowledge is 
>> out of date, interrupt thread doesn't work in secondary processes, and 
>> by extension neither should the alarm API...
> 
> Uh... If I understand correctly, the alarm API has used in the secondary 
> before.
> 
> Refer to handle_primary_request()....
> 

Then my knowledge really is out of date :)

-- 
Thanks,
Anatoly

  parent reply	other threads:[~2019-04-26 14:50 UTC|newest]

Thread overview: 106+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-25 16:35 Suanming.Mou
2019-04-25 15:51 ` Varghese, Vipin
2019-04-25 15:51   ` Varghese, Vipin
2019-04-26  7:11   ` Suanming.Mou
2019-04-26  7:11     ` Suanming.Mou
2019-04-26 10:54     ` Varghese, Vipin
2019-04-26 10:54       ` Varghese, Vipin
2019-04-26 10:56       ` Varghese, Vipin
2019-04-26 10:56         ` Varghese, Vipin
2019-04-26 12:08         ` Suanming.Mou
2019-04-26 12:08           ` Suanming.Mou
2019-04-26 13:46           ` Burakov, Anatoly
2019-04-26 13:46             ` Burakov, Anatoly
2019-04-26 14:32             ` Suanming.Mou
2019-04-26 14:32               ` Suanming.Mou
2019-04-26 14:39               ` Burakov, Anatoly
2019-04-26 14:39                 ` Burakov, Anatoly
2019-04-26 14:49                 ` Suanming.Mou
2019-04-26 14:49                   ` Suanming.Mou
2019-04-26 14:50                   ` Burakov, Anatoly [this message]
2019-04-26 14:50                     ` Burakov, Anatoly
2019-04-25 16:35 ` Suanming.Mou
2019-04-28  4:58 ` [dpdk-dev] [PATCH v2] app/pdump: add exit_with_primary option support Suanming.Mou
2019-04-28  4:58   ` Suanming.Mou
2019-04-28  5:07   ` [dpdk-dev] [PATCH v3] " Suanming.Mou
2019-04-28  5:07     ` Suanming.Mou
2019-04-30  3:39     ` [dpdk-dev] [PATCH v4] app/pdump: add pudmp exits with primary support Suanming.Mou
2019-04-30  2:33       ` Varghese, Vipin
2019-04-30  2:33         ` Varghese, Vipin
2019-04-30  3:43         ` Suanming.Mou
2019-04-30  3:43           ` Suanming.Mou
2019-04-30  5:03           ` Varghese, Vipin
2019-04-30  5:03             ` Varghese, Vipin
2019-04-30  9:34         ` Burakov, Anatoly
2019-04-30  9:34           ` Burakov, Anatoly
2019-04-30 10:37           ` Varghese, Vipin
2019-04-30 10:37             ` Varghese, Vipin
2019-04-30 16:38             ` Burakov, Anatoly
2019-04-30 16:38               ` Burakov, Anatoly
2019-04-30  3:39       ` Suanming.Mou
2019-04-30 11:35       ` [dpdk-dev] [PATCH v5] Make pdump exits with primary Suanming.Mou
2019-04-30 11:35         ` Suanming.Mou
2019-04-30 11:35         ` [dpdk-dev] [PATCH v5] app/pdump: add pudmp exits with primary support Suanming.Mou
2019-04-30  9:42           ` Burakov, Anatoly
2019-04-30  9:42             ` Burakov, Anatoly
2019-04-30 11:25             ` Suanming.Mou
2019-04-30 11:25               ` Suanming.Mou
2019-04-30 16:39               ` Burakov, Anatoly
2019-04-30 16:39                 ` Burakov, Anatoly
2019-05-02  3:07                 ` Suanming.Mou
2019-05-02  3:07                   ` Suanming.Mou
2019-04-30 11:35           ` Suanming.Mou
2019-04-30 12:44           ` Pattan, Reshma
2019-04-30 12:44             ` Pattan, Reshma
2019-05-02  5:20           ` [dpdk-dev] [PATCH v6] " Suanming.Mou
2019-05-02  5:20             ` Suanming.Mou
2019-05-02  8:04             ` Varghese, Vipin
2019-05-02  8:04               ` Varghese, Vipin
2019-05-02  8:32               ` Suanming.Mou
2019-05-02  8:32                 ` Suanming.Mou
2019-05-02  9:12                 ` Burakov, Anatoly
2019-05-02  9:12                   ` Burakov, Anatoly
2019-05-02  9:22                 ` Varghese, Vipin
2019-05-02  9:22                   ` Varghese, Vipin
2019-05-02  9:54             ` Pattan, Reshma
2019-05-02  9:54               ` Pattan, Reshma
2019-05-02 10:40               ` Suanming.Mou
2019-05-02 10:40                 ` Suanming.Mou
2019-05-02 12:35             ` [dpdk-dev] [PATCH v7] " Suanming.Mou
2019-05-02 11:03               ` Pattan, Reshma
2019-05-02 11:03                 ` Pattan, Reshma
2019-05-02 11:31               ` Burakov, Anatoly
2019-05-02 11:31                 ` Burakov, Anatoly
2019-05-02 12:35                 ` mousuanming
2019-05-02 12:35                   ` mousuanming
2019-05-02 12:35               ` Suanming.Mou
2019-05-03  5:48               ` [dpdk-dev] [PATCH v8] " Suanming.Mou
2019-05-03  5:48                 ` Suanming.Mou
2019-05-04 21:17                 ` Thomas Monjalon
2019-05-04 21:17                   ` Thomas Monjalon
2019-05-05  1:20                   ` Suanming.Mou
2019-05-05  1:20                     ` Suanming.Mou
2019-05-05  9:42                     ` Thomas Monjalon
2019-05-05  9:42                       ` Thomas Monjalon
2019-05-05 11:13                       ` Suanming.Mou
2019-05-05 11:13                         ` Suanming.Mou
2019-05-08  8:04                 ` Thomas Monjalon
2019-05-08  8:04                   ` Thomas Monjalon
2019-05-08  9:37                   ` Suanming.Mou
2019-05-08  9:37                     ` Suanming.Mou
2019-05-08 10:22                     ` Thomas Monjalon
2019-05-08 10:22                       ` Thomas Monjalon
2019-05-08 13:14                       ` Suanming.Mou
2019-05-08 13:14                         ` Suanming.Mou
2019-05-15  5:10                 ` [dpdk-dev] [PATCH v9] app/pdump: exit with primary process Suanming.Mou
2019-05-15  5:10                   ` Suanming.Mou
2019-06-20 12:32                   ` Pattan, Reshma
2019-06-23 22:30                     ` Thomas Monjalon
2019-07-10 14:04                       ` Suanming Mou
2019-07-10 22:28                         ` Thomas Monjalon
2019-04-29  9:14   ` [dpdk-dev] [PATCH v2] app/pdump: add exit_with_primary option support Burakov, Anatoly
2019-04-29  9:14     ` Burakov, Anatoly
2019-04-29  9:43     ` Suanming.Mou
2019-04-29  9:43       ` Suanming.Mou
2019-04-29 10:42       ` Burakov, Anatoly
2019-04-29 10:42         ` Burakov, Anatoly

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