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From: Jerin Jacob <jerinjacobk@gmail.com>
To: Tyler Retzlaff <roretzla@linux.microsoft.com>
Cc: dev@dpdk.org, thomas@monjalon.net, david.marchand@redhat.com,
	 mb@smartsharesystems.com
Subject: Re: [PATCH v5 2/4] eal: remove thread getname API
Date: Wed, 18 Jan 2023 11:58:26 +0530	[thread overview]
Message-ID: <CALBAE1M37ZzC1ptc=jPJPayCvBUHsSu7CX3U=WeXWuJRB1L9Mg@mail.gmail.com> (raw)
In-Reply-To: <1673979709-8613-3-git-send-email-roretzla@linux.microsoft.com>

On Tue, Jan 17, 2023 at 11:51 PM Tyler Retzlaff
<roretzla@linux.microsoft.com> wrote:
>
> Remove the rte_thread_getname API.  The API is __rte_experimental and
> requires no deprecation notice.
>
> Fold the platform specific variants into the one place it is used as a
> special case to retain the functionality for linux only.
>
> Adjust the function as follows.
> * limit use of this very platform glibc specific function to the single
>   place it is used.
> * change the return type to void since the single use cannot
>   meaningfully check for failure given the platform defined behavior.
> * change the thread id type to be rte_thread_t.
> * rename the function rte_thread_get_name to be consistent with the
>   exported rte_thread_set_name.
>
> Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>

Trace changes are looks good to me.
For trace, Acked-by: Jerin Jacob <jerinj@marvell.com>


> ---
>  lib/eal/common/eal_common_trace.c | 15 ++++++++++++++-
>  lib/eal/freebsd/eal_thread.c      |  9 ---------
>  lib/eal/include/rte_lcore.h       | 17 -----------------
>  lib/eal/linux/eal_thread.c        | 15 ---------------
>  lib/eal/version.map               |  1 -
>  5 files changed, 14 insertions(+), 43 deletions(-)
>
> diff --git a/lib/eal/common/eal_common_trace.c b/lib/eal/common/eal_common_trace.c
> index 5caaac8..75162b7 100644
> --- a/lib/eal/common/eal_common_trace.c
> +++ b/lib/eal/common/eal_common_trace.c
> @@ -298,6 +298,19 @@ rte_trace_mode rte_trace_mode_get(void)
>                 trace_point_dump(f, tp);
>  }
>
> +static void
> +thread_get_name(rte_thread_t id, char *name, size_t len)
> +{
> +#if defined(RTE_EXEC_ENV_LINUX) && defined(__GLIBC__) && defined(__GLIBC_PREREQ)
> +#if __GLIBC_PREREQ(2, 12)
> +       pthread_getname_np((pthread_t)id.opaque_id, name, len);
> +#endif
> +#endif
> +       RTE_SET_USED(id);
> +       RTE_SET_USED(name);
> +       RTE_SET_USED(len);
> +}
> +
>  void
>  __rte_trace_mem_per_thread_alloc(void)
>  {
> @@ -356,7 +369,7 @@ rte_trace_mode rte_trace_mode_get(void)
>         /* Store the thread name */
>         char *name = header->stream_header.thread_name;
>         memset(name, 0, __RTE_TRACE_EMIT_STRING_LEN_MAX);
> -       rte_thread_getname(pthread_self(), name,
> +       thread_get_name(rte_thread_self(), name,
>                 __RTE_TRACE_EMIT_STRING_LEN_MAX);
>
>         trace->lcore_meta[count].mem = header;
> diff --git a/lib/eal/freebsd/eal_thread.c b/lib/eal/freebsd/eal_thread.c
> index b69f5d3..3227d9b 100644
> --- a/lib/eal/freebsd/eal_thread.c
> +++ b/lib/eal/freebsd/eal_thread.c
> @@ -49,12 +49,3 @@ int rte_thread_setname(pthread_t id, const char *name)
>         pthread_set_name_np(id, name);
>         return 0;
>  }
> -
> -int rte_thread_getname(pthread_t id, char *name, size_t len)
> -{
> -       RTE_SET_USED(id);
> -       RTE_SET_USED(name);
> -       RTE_SET_USED(len);
> -
> -       return -ENOTSUP;
> -}
> diff --git a/lib/eal/include/rte_lcore.h b/lib/eal/include/rte_lcore.h
> index 6938c3f..9c78650 100644
> --- a/lib/eal/include/rte_lcore.h
> +++ b/lib/eal/include/rte_lcore.h
> @@ -352,23 +352,6 @@ enum rte_lcore_role_t {
>  int rte_thread_setname(pthread_t id, const char *name);
>
>  /**
> - * Get thread name.
> - *
> - * @note It fails with glibc < 2.12.
> - *
> - * @param id
> - *   Thread id.
> - * @param name
> - *   Thread name to set.
> - * @param len
> - *   Thread name buffer length.
> - * @return
> - *   On success, return 0; otherwise return a negative value.
> - */
> -__rte_experimental
> -int rte_thread_getname(pthread_t id, char *name, size_t len);
> -
> -/**
>   * Register current non-EAL thread as a lcore.
>   *
>   * @note This API is not compatible with the multi-process feature:
> diff --git a/lib/eal/linux/eal_thread.c b/lib/eal/linux/eal_thread.c
> index d5fddab..c07ad9d 100644
> --- a/lib/eal/linux/eal_thread.c
> +++ b/lib/eal/linux/eal_thread.c
> @@ -55,18 +55,3 @@ int rte_thread_setname(pthread_t id, const char *name)
>         RTE_SET_USED(name);
>         return -ret;
>  }
> -
> -int rte_thread_getname(pthread_t id, char *name, size_t len)
> -{
> -       int ret = ENOSYS;
> -#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
> -#if __GLIBC_PREREQ(2, 12)
> -       ret = pthread_getname_np(id, name, len);
> -#endif
> -#endif
> -       RTE_SET_USED(id);
> -       RTE_SET_USED(name);
> -       RTE_SET_USED(len);
> -       return -ret;
> -
> -}
> diff --git a/lib/eal/version.map b/lib/eal/version.map
> index c98ba71..6523102 100644
> --- a/lib/eal/version.map
> +++ b/lib/eal/version.map
> @@ -369,7 +369,6 @@ EXPERIMENTAL {
>         __rte_trace_point_register;
>         per_lcore_trace_mem;
>         per_lcore_trace_point_sz;
> -       rte_thread_getname; # WINDOWS_NO_EXPORT
>         rte_trace_dump; # WINDOWS_NO_EXPORT
>         rte_trace_is_enabled; # WINDOWS_NO_EXPORT
>         rte_trace_metadata_dump; # WINDOWS_NO_EXPORT
> --
> 1.8.3.1
>

  reply	other threads:[~2023-01-18  6:28 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-07 19:00 [PATCH 0/5] add lcore set name and get name API Tyler Retzlaff
2022-12-07 19:00 ` [PATCH 1/5] eal: " Tyler Retzlaff
2022-12-07 21:03   ` Stephen Hemminger
2022-12-07 22:33     ` Tyler Retzlaff
2022-12-08  4:07       ` Stephen Hemminger
2022-12-08 17:11         ` Tyler Retzlaff
2022-12-07 19:00 ` [PATCH 2/5] eal: set lcore config thread for lcore main Tyler Retzlaff
2022-12-07 19:00 ` [PATCH 3/5] test: add a unit test for set and get lcore name APIs Tyler Retzlaff
2022-12-07 19:00 ` [PATCH 4/5] eal: remove thread getname API Tyler Retzlaff
2022-12-07 19:00 ` [PATCH 5/5] eal: deprecate rte thread setname API Tyler Retzlaff
2022-12-14 16:47 ` [PATCH v2 0/4] add rte_thread_set_name API for rte_thread_t Tyler Retzlaff
2022-12-14 16:47   ` [PATCH v2 1/4] eal: add thread set name API operating on rte thread Tyler Retzlaff
2023-01-11 16:09     ` David Marchand
2023-01-12 21:32       ` Tyler Retzlaff
2023-01-13  4:36       ` Jerin Jacob
2023-01-13 17:09         ` Tyler Retzlaff
2023-01-13 18:56           ` Tyler Retzlaff
2022-12-14 16:47   ` [PATCH v2 2/4] eal: remove thread getname API Tyler Retzlaff
2022-12-14 16:47   ` [PATCH v2 3/4] eal: deprecate rte thread setname API Tyler Retzlaff
2022-12-14 16:47   ` [PATCH v2 4/4] drivers: mlx5 use rte thread set name Tyler Retzlaff
2022-12-14 16:51     ` Morten Brørup
2023-01-10 20:53   ` [PATCH v2 0/4] add rte_thread_set_name API for rte_thread_t Tyler Retzlaff
2023-01-11  7:55     ` Morten Brørup
2023-01-12 21:55 ` [PATCH v3 " Tyler Retzlaff
2023-01-12 21:55   ` [PATCH v3 1/4] eal: add thread set name API operating on rte thread Tyler Retzlaff
2023-01-12 21:55   ` [PATCH v3 2/4] eal: remove thread getname API Tyler Retzlaff
2023-01-12 21:55   ` [PATCH v3 3/4] drivers: mlx5 use rte thread set name Tyler Retzlaff
2023-01-12 21:55   ` [PATCH v3 4/4] eal: deprecate rte thread setname API Tyler Retzlaff
2023-01-13 18:51 ` [PATCH v4 0/4] add rte_thread_set_name API for rte_thread_t Tyler Retzlaff
2023-01-13 18:52   ` [PATCH v4 1/4] eal: add thread set name API operating on rte thread Tyler Retzlaff
2023-01-13 18:52   ` [PATCH v4 2/4] eal: remove thread getname API Tyler Retzlaff
2023-01-17  7:49     ` Jerin Jacob
2023-01-17 18:22       ` Tyler Retzlaff
2023-01-13 18:52   ` [PATCH v4 3/4] drivers: mlx5 use rte thread set name Tyler Retzlaff
2023-01-13 18:52   ` [PATCH v4 4/4] eal: deprecate rte thread setname API Tyler Retzlaff
2023-01-17 18:21 ` [PATCH v5 0/4] add rte_thread_set_name API for rte_thread_t Tyler Retzlaff
2023-01-17 18:21   ` [PATCH v5 1/4] eal: add thread set name API operating on rte thread Tyler Retzlaff
2023-01-18 14:50     ` David Marchand
2023-01-17 18:21   ` [PATCH v5 2/4] eal: remove thread getname API Tyler Retzlaff
2023-01-18  6:28     ` Jerin Jacob [this message]
2023-01-18 14:51     ` David Marchand
2023-01-17 18:21   ` [PATCH v5 3/4] drivers: mlx5 use rte thread set name Tyler Retzlaff
2023-01-17 18:21   ` [PATCH v5 4/4] eal: deprecate rte thread setname API Tyler Retzlaff
2023-01-18 11:49     ` David Marchand
2023-01-18 19:54 ` [PATCH v6 0/5] add rte_thread_set_name API for rte_thread_t Tyler Retzlaff
2023-01-18 19:54   ` [PATCH v6 1/5] eal: add thread set name API operating on rte thread Tyler Retzlaff
2023-01-18 23:13     ` Stephen Hemminger
2023-01-18 23:44       ` Tyler Retzlaff
2023-01-18 19:54   ` [PATCH v6 2/5] eal: remove thread getname API Tyler Retzlaff
2023-01-18 19:54   ` [PATCH v6 3/5] eal: set thread name on Windows worker threads Tyler Retzlaff
2023-01-18 19:54   ` [PATCH v6 4/5] drivers: mlx5 use rte thread set name Tyler Retzlaff
2023-01-18 19:54   ` [PATCH v6 5/5] eal: deprecation notice for rte thread setname API Tyler Retzlaff
2023-01-22 13:55   ` [PATCH v6 0/5] add rte_thread_set_name API for rte_thread_t David Marchand
2023-01-23 18:57     ` Tyler Retzlaff
2023-01-23 19:39 ` [PATCH v7 " Tyler Retzlaff
2023-01-23 19:39   ` [PATCH v7 1/5] eal: add thread set name API operating on rte thread Tyler Retzlaff
2023-01-24 15:21     ` Thomas Monjalon
2023-01-23 19:39   ` [PATCH v7 2/5] eal: remove thread getname API Tyler Retzlaff
2023-01-24 15:24     ` Thomas Monjalon
2023-01-24 15:33       ` Tyler Retzlaff
2023-01-23 19:39   ` [PATCH v7 3/5] eal: set thread name on Windows worker threads Tyler Retzlaff
2023-01-24 15:25     ` Thomas Monjalon
2023-01-24 15:33       ` Tyler Retzlaff
2023-01-24 15:47         ` Thomas Monjalon
2023-01-23 19:39   ` [PATCH v7 4/5] drivers: mlx5 use rte thread set name Tyler Retzlaff
2023-01-24 15:50     ` Thomas Monjalon
2023-01-23 19:39   ` [PATCH v7 5/5] eal: deprecation notice for rte thread setname API Tyler Retzlaff
2023-01-24 16:03     ` Thomas Monjalon
2023-01-24 17:42 ` [PATCH v8 0/4] add rte_thread_set_name API for rte_thread_t Tyler Retzlaff
2023-01-24 17:42   ` [PATCH v8 1/4] eal: add thread set name API operating on rte thread Tyler Retzlaff
2023-01-24 17:42   ` [PATCH v8 2/4] eal: remove thread getname API Tyler Retzlaff
2023-01-24 17:42   ` [PATCH v8 3/4] eal: set thread name on Windows worker threads Tyler Retzlaff
2023-01-24 17:42   ` [PATCH v8 4/4] eal: deprecation notice for rte thread setname API Tyler Retzlaff
2023-01-24 18:02 ` [PATCH v9 0/4] add rte_thread_set_name API for rte_thread_t Tyler Retzlaff
2023-01-24 18:02   ` [PATCH v9 1/4] eal: add thread set name API operating on rte thread Tyler Retzlaff
2023-01-24 18:02   ` [PATCH v9 2/4] eal: remove thread getname API Tyler Retzlaff
2023-01-24 18:02   ` [PATCH v9 3/4] eal: set thread name on Windows worker threads Tyler Retzlaff
2023-01-24 18:02   ` [PATCH v9 4/4] eal: deprecation notice for rte thread setname API Tyler Retzlaff
2023-01-24 18:05     ` Thomas Monjalon
2023-01-24 18:21       ` Tyler Retzlaff
2023-01-24 18:12 ` [PATCH v10 0/4] add rte_thread_set_name API for rte_thread_t Tyler Retzlaff
2023-01-24 18:12   ` [PATCH v10 1/4] eal: add thread set name API operating on rte thread Tyler Retzlaff
2023-01-24 18:12   ` [PATCH v10 2/4] eal: remove thread getname API Tyler Retzlaff
2023-01-24 18:12   ` [PATCH v10 3/4] eal: set thread name on Windows worker threads Tyler Retzlaff
2023-01-24 18:12   ` [PATCH v10 4/4] eal: deprecation notice for rte thread setname API Tyler Retzlaff
2023-01-30 15:46     ` Thomas Monjalon
2023-01-30 16:19       ` David Marchand
2023-01-30 20:34         ` Tyler Retzlaff
2023-01-31  9:53           ` David Marchand
2023-01-31 17:09             ` Tyler Retzlaff
2023-01-31  9:54   ` [PATCH v10 0/4] add rte_thread_set_name API for rte_thread_t David Marchand

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