From: Andrey Vagin <avagin@openvz.org> To: linux-kernel@vger.kernel.org Cc: linux-api@vger.kernel.org, Andrey Vagin <avagin@openvz.org>, Oleg Nesterov <oleg@redhat.com>, Andrew Morton <akpm@linux-foundation.org>, Cyrill Gorcunov <gorcunov@openvz.org>, Pavel Emelyanov <xemul@parallels.com>, Roger Luethi <rl@hellgate.ch>, Arnd Bergmann <arnd@arndb.de>, Arnaldo Carvalho de Melo <acme@kernel.org>, David Ahern <dsahern@gmail.com>, Andy Lutomirski <luto@amacapital.net>, Pavel Odintsov <pavel.odintsov@gmail.com> Subject: [PATCH 17/24] task_diag: add ability to dump theads Date: Mon, 6 Jul 2015 11:47:18 +0300 [thread overview] Message-ID: <1436172445-6979-18-git-send-email-avagin@openvz.org> (raw) In-Reply-To: <1436172445-6979-1-git-send-email-avagin@openvz.org> Signed-off-by: Andrey Vagin <avagin@openvz.org> --- include/uapi/linux/task_diag.h | 1 + kernel/taskdiag.c | 15 ++++++++++++++- 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/task_diag.h b/include/uapi/linux/task_diag.h index 9e4c3c4..e1d09e6 100644 --- a/include/uapi/linux/task_diag.h +++ b/include/uapi/linux/task_diag.h @@ -150,6 +150,7 @@ static inline struct task_diag_vma_stat *task_diag_vma_stat(struct task_diag_vma #define TASK_DIAG_DUMP_ALL 0 #define TASK_DIAG_DUMP_CHILDREN 1 +#define TASK_DIAG_DUMP_THREAD 2 struct task_diag_pid { __u64 show_flags; diff --git a/kernel/taskdiag.c b/kernel/taskdiag.c index 8e00c3e..dc319bf 100644 --- a/kernel/taskdiag.c +++ b/kernel/taskdiag.c @@ -559,8 +559,15 @@ static struct task_struct *iter_start(struct task_iter *iter) } switch (iter->req.dump_strategy) { - case TASK_DIAG_DUMP_CHILDREN: + case TASK_DIAG_DUMP_THREAD: + if (iter->parent == NULL) + return ERR_PTR(-ESRCH); + + iter->pos = iter->cb->args[0]; + iter->task = task_first_tid(iter->parent, 0, iter->pos, iter->ns); + return iter->task; + case TASK_DIAG_DUMP_CHILDREN: if (iter->parent == NULL) return ERR_PTR(-ESRCH); @@ -581,6 +588,12 @@ static struct task_struct *iter_start(struct task_iter *iter) static struct task_struct *iter_next(struct task_iter *iter) { switch (iter->req.dump_strategy) { + case TASK_DIAG_DUMP_THREAD: + iter->pos++; + iter->task = task_next_tid(iter->task); + iter->cb->args[0] = iter->pos; + iter->cb->args[1] = task_pid_nr_ns(iter->task, iter->ns); + return iter->task; case TASK_DIAG_DUMP_CHILDREN: iter->pos++; iter->task = task_next_child(iter->parent, iter->task, iter->pos); -- 2.1.0
WARNING: multiple messages have this Message-ID (diff)
From: Andrey Vagin <avagin-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org> To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Andrey Vagin <avagin-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>, Oleg Nesterov <oleg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>, Cyrill Gorcunov <gorcunov-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>, Pavel Emelyanov <xemul-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>, Roger Luethi <rl-7uj+XXdSDtwfv37vnLkPlQ@public.gmane.org>, Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>, Arnaldo Carvalho de Melo <acme-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, David Ahern <dsahern-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>, Pavel Odintsov <pavel.odintsov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Subject: [PATCH 17/24] task_diag: add ability to dump theads Date: Mon, 6 Jul 2015 11:47:18 +0300 [thread overview] Message-ID: <1436172445-6979-18-git-send-email-avagin@openvz.org> (raw) In-Reply-To: <1436172445-6979-1-git-send-email-avagin-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org> Signed-off-by: Andrey Vagin <avagin-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org> --- include/uapi/linux/task_diag.h | 1 + kernel/taskdiag.c | 15 ++++++++++++++- 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/task_diag.h b/include/uapi/linux/task_diag.h index 9e4c3c4..e1d09e6 100644 --- a/include/uapi/linux/task_diag.h +++ b/include/uapi/linux/task_diag.h @@ -150,6 +150,7 @@ static inline struct task_diag_vma_stat *task_diag_vma_stat(struct task_diag_vma #define TASK_DIAG_DUMP_ALL 0 #define TASK_DIAG_DUMP_CHILDREN 1 +#define TASK_DIAG_DUMP_THREAD 2 struct task_diag_pid { __u64 show_flags; diff --git a/kernel/taskdiag.c b/kernel/taskdiag.c index 8e00c3e..dc319bf 100644 --- a/kernel/taskdiag.c +++ b/kernel/taskdiag.c @@ -559,8 +559,15 @@ static struct task_struct *iter_start(struct task_iter *iter) } switch (iter->req.dump_strategy) { - case TASK_DIAG_DUMP_CHILDREN: + case TASK_DIAG_DUMP_THREAD: + if (iter->parent == NULL) + return ERR_PTR(-ESRCH); + + iter->pos = iter->cb->args[0]; + iter->task = task_first_tid(iter->parent, 0, iter->pos, iter->ns); + return iter->task; + case TASK_DIAG_DUMP_CHILDREN: if (iter->parent == NULL) return ERR_PTR(-ESRCH); @@ -581,6 +588,12 @@ static struct task_struct *iter_start(struct task_iter *iter) static struct task_struct *iter_next(struct task_iter *iter) { switch (iter->req.dump_strategy) { + case TASK_DIAG_DUMP_THREAD: + iter->pos++; + iter->task = task_next_tid(iter->task); + iter->cb->args[0] = iter->pos; + iter->cb->args[1] = task_pid_nr_ns(iter->task, iter->ns); + return iter->task; case TASK_DIAG_DUMP_CHILDREN: iter->pos++; iter->task = task_next_child(iter->parent, iter->task, iter->pos); -- 2.1.0
next prev parent reply other threads:[~2015-07-06 8:51 UTC|newest] Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-07-06 8:47 [PATCH 0/24] kernel: add a netlink interface to get information about processes (v2) Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 8:47 ` [PATCH 01/24] kernel: define taststats commands in the one place Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 8:47 ` [PATCH 02/24] kernel: add a netlink interface to get information about tasks (v2) Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 8:47 ` [PATCH 03/24] kernel: make taskstats available from all net namespaces Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 8:47 ` [PATCH 04/24] kernel: move next_tgid from fs/proc Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 8:47 ` [PATCH 05/24] task_diag: add ability to get information about all tasks Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 8:47 ` [PATCH 06/24] task_diag: add ability to split per-task data on a few netlink messages Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 8:47 ` [PATCH 07/24] task_diag: add a new group to get process credentials Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 8:47 ` [PATCH 08/24] proc: pick out a function to iterate task children Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-14 18:02 ` Oleg Nesterov 2015-07-14 18:02 ` Oleg Nesterov 2015-07-17 15:57 ` Andrew Vagin 2015-07-17 15:57 ` Andrew Vagin 2015-07-18 21:22 ` Oleg Nesterov 2015-07-18 21:22 ` Oleg Nesterov 2015-07-06 8:47 ` [PATCH 09/24] proc: move task_next_child() from fs/proc Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 8:47 ` [PATCH 10/24] task_diag: add ability to dump children (v2) Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 8:47 ` [PATCH 11/24] task_diag: add a new group to get task statistics Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 8:47 ` [PATCH 12/24] task_diag: add a new group to get tasks memory mappings (v2) Andrey Vagin 2015-07-14 18:08 ` Oleg Nesterov 2015-07-14 18:08 ` Oleg Nesterov 2015-07-15 2:02 ` David Ahern 2015-07-15 2:02 ` David Ahern 2015-07-06 8:47 ` [PATCH 13/24] task_diag: shows memory consumption for " Andrey Vagin 2015-07-06 8:47 ` [PATCH 14/24] task_diag: add a marcos to enumirate memory mappings Andrey Vagin 2015-07-06 8:47 ` [PATCH 15/24] proc: give task_struct instead of pid into first_tid Andrey Vagin 2015-07-14 18:11 ` Oleg Nesterov 2015-07-06 8:47 ` [PATCH 16/24] proc: move first_tid and next_tid out of proc Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin [this message] 2015-07-06 8:47 ` [PATCH 17/24] task_diag: add ability to dump theads Andrey Vagin 2015-07-06 8:47 ` [PATCH 18/24] task_diag: add ability to handle one task in a continious mode Andrey Vagin 2015-07-06 8:47 ` [PATCH 19/24] task_diag: Add option to dump all threads for all tasks Andrey Vagin 2015-07-06 8:47 ` [PATCH 20/24] task_diag: Only add VMAs for thread_group leader Andrey Vagin 2015-07-14 17:47 ` Oleg Nesterov 2015-07-14 17:47 ` Oleg Nesterov 2015-07-15 2:01 ` David Ahern 2015-07-15 13:31 ` Oleg Nesterov 2015-07-15 13:31 ` Oleg Nesterov 2015-07-06 8:47 ` [PATCH 21/24] task diag: Add support for TGID attribute Andrey Vagin 2015-07-06 8:47 ` [PATCH 22/24] Documentation: add documentation for task_diag Andrey Vagin 2015-07-06 8:47 ` [PATCH 23/24] selftest: check the task_diag functinonality Andrey Vagin 2015-07-06 8:47 ` [PATCH 24/24] task_diag: Enhance fork tool to spawn threads Andrey Vagin 2015-07-06 8:47 ` Andrey Vagin 2015-07-06 17:10 ` [PATCH 0/24] kernel: add a netlink interface to get information about processes (v2) Andy Lutomirski 2015-07-07 15:43 ` Andrew Vagin 2015-07-07 15:56 ` Andy Lutomirski 2015-07-07 15:56 ` Andy Lutomirski 2015-07-07 16:17 ` David Ahern 2015-07-07 16:17 ` David Ahern 2015-07-07 16:24 ` Andy Lutomirski 2015-07-07 16:41 ` David Ahern 2015-07-07 16:41 ` David Ahern 2015-07-08 16:10 ` Andrew Vagin 2015-07-08 16:10 ` Andrew Vagin 2015-07-08 17:39 ` Andy Lutomirski 2015-07-08 22:49 ` Andrey Vagin 2015-07-08 23:48 ` Andy Lutomirski 2015-07-08 23:48 ` Andy Lutomirski 2015-07-07 16:25 ` Arnaldo Carvalho de Melo 2015-07-07 16:25 ` Arnaldo Carvalho de Melo 2015-07-07 16:27 ` Andy Lutomirski 2015-07-07 16:27 ` Andy Lutomirski 2015-07-07 16:56 ` David Ahern 2015-07-07 16:56 ` David Ahern 2015-11-24 15:18 ` Andrew Vagin 2015-11-24 15:18 ` Andrew Vagin 2015-12-03 23:20 ` Andy Lutomirski 2015-12-03 23:20 ` Andy Lutomirski 2015-12-03 23:43 ` Arnd Bergmann 2015-12-14 8:05 ` Andrew Vagin 2015-12-14 8:05 ` Andrew Vagin 2015-12-14 7:52 ` Andrew Vagin 2015-12-14 7:52 ` Andrew Vagin 2015-12-14 22:38 ` Andy Lutomirski 2015-12-15 15:53 ` Andrew Vagin 2015-12-15 15:53 ` Andrew Vagin 2015-12-15 16:43 ` Andy Lutomirski 2015-12-15 16:43 ` Andy Lutomirski
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1436172445-6979-18-git-send-email-avagin@openvz.org \ --to=avagin@openvz.org \ --cc=acme@kernel.org \ --cc=akpm@linux-foundation.org \ --cc=arnd@arndb.de \ --cc=dsahern@gmail.com \ --cc=gorcunov@openvz.org \ --cc=linux-api@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=luto@amacapital.net \ --cc=oleg@redhat.com \ --cc=pavel.odintsov@gmail.com \ --cc=rl@hellgate.ch \ --cc=xemul@parallels.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.