From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
To: "Van Haaren, Harry" <harry.van.haaren@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "thomas@monjalon.net" <thomas@monjalon.net>,
"jerin.jacob@caviumnetworks.com" <jerin.jacob@caviumnetworks.com>,
"Van Haaren, Harry" <harry.van.haaren@intel.com>
Subject: Re: [dpdk-dev] [PATCH] service: add corelist to EAL arguments
Date: Mon, 17 Jul 2017 15:53:33 +0000 [thread overview]
Message-ID: <2601191342CEEE43887BDE71AB977258404CA1B4@IRSMSX103.ger.corp.intel.com> (raw)
In-Reply-To: <1500304914-42805-1-git-send-email-harry.van.haaren@intel.com>
Hi Harry,
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Harry van Haaren
> Sent: Monday, July 17, 2017 4:22 PM
> To: dev@dpdk.org
> Cc: thomas@monjalon.net; jerin.jacob@caviumnetworks.com; Van Haaren, Harry <harry.van.haaren@intel.com>
> Subject: [dpdk-dev] [PATCH] service: add corelist to EAL arguments
>
> This commit allows the -S (captial 's') to be used to indicate
> a corelist for Services. This is a "nice to have" patch, and does
> not modify any of the service core functionality.
>
> Suggested-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
> Suggested-by: Thomas Monjalon <thomas@monjalon.net>
> Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
> ---
> lib/librte_eal/common/eal_common_options.c | 74 ++++++++++++++++++++++++++++++
> 1 file changed, 74 insertions(+)
>
> diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c
> index 00265d6..696a627 100644
> --- a/lib/librte_eal/common/eal_common_options.c
> +++ b/lib/librte_eal/common/eal_common_options.c
> @@ -65,6 +65,7 @@ eal_short_options[] =
> "d:" /* driver */
> "h" /* help */
> "l:" /* corelist */
> + "S:" /* service corelist */
> "m:" /* memory size */
> "n:" /* memory channels */
> "r:" /* memory ranks */
> @@ -402,6 +403,72 @@ eal_parse_coremask(const char *coremask)
> }
>
Do we need a new parsing function here?
Can't we reuse at least part of '-l' parsing code?
Konstantin
> static int
> +eal_parse_service_corelist(const char *corelist)
> +{
> + struct rte_config *cfg = rte_eal_get_configuration();
> + int i, idx = 0;
> + unsigned count = 0;
> + char *end = NULL;
> + int min, max;
> +
> + if (corelist == NULL)
> + return -1;
> +
> + /* Remove all blank characters ahead and after */
> + while (isblank(*corelist))
> + corelist++;
> + i = strlen(corelist);
> + while ((i > 0) && isblank(corelist[i - 1]))
> + i--;
> +
> + /* Get list of cores */
> + min = RTE_MAX_LCORE;
> + do {
> + while (isblank(*corelist))
> + corelist++;
> + if (*corelist == '\0')
> + return -1;
> + errno = 0;
> + idx = strtoul(corelist, &end, 10);
> + if (errno || end == NULL)
> + return -1;
> + while (isblank(*end))
> + end++;
> + if (*end == '-') {
> + min = idx;
> + } else if ((*end == ',') || (*end == '\0')) {
> + max = idx;
> + if (min == RTE_MAX_LCORE)
> + min = idx;
> + for (idx = min; idx <= max; idx++) {
> + if (cfg->lcore_role[idx] != ROLE_SERVICE) {
> + /* handle master lcore already parsed */
> + uint32_t lcore = idx;
> + if (cfg->master_lcore == lcore &&
> + master_lcore_parsed) {
> + RTE_LOG(ERR, EAL,
> + "Error: lcore %u is master lcore, cannot use as service core\n",
> + idx);
> + return -1;
> + }
> + lcore_config[idx].core_role =
> + ROLE_SERVICE;
> + count++;
> + }
> + }
> + min = RTE_MAX_LCORE;
> + } else
> + return -1;
> + corelist = end + 1;
> + } while (*end != '\0');
> +
> + if (count == 0)
> + return -1;
> +
> + return 0;
> +}
> +
> +static int
> eal_parse_corelist(const char *corelist)
> {
> struct rte_config *cfg = rte_eal_get_configuration();
> @@ -912,6 +979,13 @@ eal_parse_common_option(int opt, const char *optarg,
> return -1;
> }
> break;
> + /* service corelist */
> + case 'S':
> + if (eal_parse_service_corelist(optarg) < 0) {
> + RTE_LOG(ERR, EAL, "invalid service core list\n");
> + return -1;
> + }
> + break;
> /* size of memory */
> case 'm':
> conf->memory = atoi(optarg);
> --
> 2.7.4
next prev parent reply other threads:[~2017-07-17 15:53 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-23 9:06 [dpdk-dev] [PATCH 1/6] service cores: header and implementation Harry van Haaren
2017-06-23 9:06 ` [dpdk-dev] [PATCH 2/6] service cores: coremask parsing Harry van Haaren
2017-06-26 12:49 ` Jerin Jacob
2017-06-29 11:13 ` Van Haaren, Harry
2017-06-23 9:06 ` [dpdk-dev] [PATCH 3/6] service cores: EAL init changes Harry van Haaren
2017-06-26 12:55 ` Jerin Jacob
2017-06-29 11:13 ` Van Haaren, Harry
2017-06-23 9:06 ` [dpdk-dev] [PATCH 4/6] service cores: mark cores in lcore config as RTE Harry van Haaren
2017-06-23 9:06 ` [dpdk-dev] [PATCH 5/6] service core: add unit tests Harry van Haaren
2017-06-26 13:06 ` Jerin Jacob
2017-06-29 11:14 ` Van Haaren, Harry
2017-06-23 9:06 ` [dpdk-dev] [PATCH 6/6] service cores: enable event/sw with service Harry van Haaren
2017-06-26 13:46 ` Jerin Jacob
2017-06-29 11:15 ` Van Haaren, Harry
2017-06-26 11:59 ` [dpdk-dev] [PATCH 1/6] service cores: header and implementation Jerin Jacob
2017-06-29 11:13 ` Van Haaren, Harry
2017-06-29 11:23 ` [dpdk-dev] [PATCH v2 0/5] service cores: cover letter Harry van Haaren
2017-06-29 11:23 ` [dpdk-dev] [PATCH v2 1/5] service cores: header and implementation Harry van Haaren
2017-06-29 11:23 ` [dpdk-dev] [PATCH v2 2/5] service cores: EAL init changes Harry van Haaren
2017-06-29 11:23 ` [dpdk-dev] [PATCH v2 3/5] service cores: coremask parsing Harry van Haaren
2017-06-29 11:23 ` [dpdk-dev] [PATCH v2 4/5] service cores: add unit tests Harry van Haaren
2017-06-29 11:23 ` [dpdk-dev] [PATCH v2 5/5] service cores: enable event/sw with service Harry van Haaren
2017-07-02 21:35 ` [dpdk-dev] [PATCH v3 0/7] service cores: cover letter Harry van Haaren
2017-07-02 21:35 ` [dpdk-dev] [PATCH v3 1/7] service cores: header and implementation Harry van Haaren
2017-07-04 17:16 ` Jerin Jacob
2017-07-02 21:35 ` [dpdk-dev] [PATCH v3 2/7] service cores: EAL init changes Harry van Haaren
2017-07-04 11:35 ` Jerin Jacob
2017-07-07 16:28 ` Van Haaren, Harry
2017-07-02 21:35 ` [dpdk-dev] [PATCH v3 3/7] service cores: coremask parsing Harry van Haaren
2017-07-04 12:45 ` Jerin Jacob
2017-07-06 14:47 ` Van Haaren, Harry
2017-07-07 10:45 ` Jerin Jacob
2017-07-07 10:57 ` Van Haaren, Harry
2017-07-02 21:35 ` [dpdk-dev] [PATCH v3 4/7] service cores: add unit tests Harry van Haaren
2017-07-04 11:14 ` Jerin Jacob
2017-07-02 21:35 ` [dpdk-dev] [PATCH v3 5/7] service cores: enable event/sw with service Harry van Haaren
2017-07-04 10:52 ` Jerin Jacob
2017-07-07 16:28 ` Van Haaren, Harry
2017-07-02 21:35 ` [dpdk-dev] [PATCH v3 6/7] maintainers: claim service cores Harry van Haaren
2017-07-04 10:53 ` Jerin Jacob
2017-07-02 21:35 ` [dpdk-dev] [PATCH v3 7/7] doc: add service cores to doc and release notes Harry van Haaren
2017-07-02 22:16 ` Mcnamara, John
2017-07-04 10:56 ` Jerin Jacob
2017-07-07 16:41 ` [dpdk-dev] [PATCH v4 0/7] service cores: cover letter Harry van Haaren
2017-07-07 16:41 ` [dpdk-dev] [PATCH v4 1/7] service cores: header and implementation Harry van Haaren
2017-07-11 8:29 ` Jerin Jacob
2017-07-11 9:54 ` Thomas Monjalon
2017-07-11 12:32 ` Van Haaren, Harry
2017-07-11 12:44 ` Jerin Jacob
2017-07-11 12:49 ` Van Haaren, Harry
2017-07-11 14:10 ` Van Haaren, Harry
2017-07-07 16:41 ` [dpdk-dev] [PATCH v4 2/7] service cores: EAL init changes Harry van Haaren
2017-07-11 7:42 ` Jerin Jacob
2017-07-11 14:11 ` Van Haaren, Harry
2017-07-07 16:41 ` [dpdk-dev] [PATCH v4 3/7] service cores: coremask parsing Harry van Haaren
2017-07-07 16:41 ` [dpdk-dev] [PATCH v4 4/7] service cores: add unit tests Harry van Haaren
2017-07-11 8:12 ` Jerin Jacob
2017-07-07 16:41 ` [dpdk-dev] [PATCH v4 5/7] event/sw: enable SW PMD with service capability Harry van Haaren
2017-07-07 16:41 ` [dpdk-dev] [PATCH v4 6/7] doc: add service cores to doc and release notes Harry van Haaren
2017-07-07 16:41 ` [dpdk-dev] [PATCH v4 7/7] maintainers: claim service cores Harry van Haaren
2017-07-11 7:53 ` Jerin Jacob
2017-07-09 22:08 ` [dpdk-dev] [PATCH v4 0/7] service cores: cover letter Thomas Monjalon
2017-07-10 8:18 ` Van Haaren, Harry
2017-07-10 11:41 ` Jerin Jacob
2017-07-11 14:19 ` [dpdk-dev] [PATCH v5 " Harry van Haaren
2017-07-11 14:19 ` [dpdk-dev] [PATCH v5 1/7] service cores: header and implementation Harry van Haaren
2017-07-12 16:35 ` Jerin Jacob
2017-07-11 14:19 ` [dpdk-dev] [PATCH v5 2/7] service cores: EAL init changes Harry van Haaren
2017-07-11 14:19 ` [dpdk-dev] [PATCH v5 3/7] service cores: coremask parsing Harry van Haaren
2017-07-11 14:19 ` [dpdk-dev] [PATCH v5 4/7] service cores: add unit tests Harry van Haaren
2017-07-11 14:19 ` [dpdk-dev] [PATCH v5 5/7] event/sw: enable SW PMD with service capability Harry van Haaren
2017-07-11 14:19 ` [dpdk-dev] [PATCH v5 6/7] doc: add service cores to doc and release notes Harry van Haaren
2017-07-11 14:19 ` [dpdk-dev] [PATCH v5 7/7] maintainers: claim service cores Harry van Haaren
2017-07-12 16:49 ` [dpdk-dev] [PATCH v5 0/7] service cores: cover letter Jerin Jacob
2017-07-16 19:25 ` Thomas Monjalon
2017-07-17 8:07 ` Van Haaren, Harry
2017-07-17 15:21 ` [dpdk-dev] [PATCH] service: add corelist to EAL arguments Harry van Haaren
2017-07-17 15:53 ` Ananyev, Konstantin [this message]
2017-07-17 15:58 ` Van Haaren, Harry
2017-07-17 16:10 ` Ananyev, Konstantin
2017-07-17 16:16 ` Van Haaren, Harry
2017-07-19 5:42 ` Thomas Monjalon
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