From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46919) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dotvN-0007Ml-JD for qemu-devel@nongnu.org; Mon, 04 Sep 2017 12:08:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dotvI-0008Sg-PB for qemu-devel@nongnu.org; Mon, 04 Sep 2017 12:08:33 -0400 Received: from mail-wr0-x244.google.com ([2a00:1450:400c:c0c::244]:37002) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dotvI-0008SQ-Gf for qemu-devel@nongnu.org; Mon, 04 Sep 2017 12:08:28 -0400 Received: by mail-wr0-x244.google.com with SMTP id y15so427803wrc.4 for ; Mon, 04 Sep 2017 09:08:28 -0700 (PDT) From: Pradeep Jagadeesh Date: Mon, 4 Sep 2017 12:07:47 -0400 Message-Id: <1504541267-36954-7-git-send-email-pradeep.jagadeesh@huawei.com> In-Reply-To: <1504541267-36954-1-git-send-email-pradeep.jagadeesh@huawei.com> References: <1504541267-36954-1-git-send-email-pradeep.jagadeesh@huawei.com> Subject: [Qemu-devel] [PATCH v10 6/6] fsdev: hmp interface for throttling List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: eric blake , greg kurz Cc: Pradeep Jagadeesh , alberto garcia , "Dr. David Alan Gilbert" , jani kokkonen , qemu-devel@nongnu.org This patch introduces hmp interfaces for the fsdev devices. Signed-off-by: Pradeep Jagadeesh --- hmp-commands-info.hx | 18 ++++++++++++++++ hmp-commands.hx | 19 +++++++++++++++++ hmp.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++ hmp.h | 4 ++++ 4 files changed, 101 insertions(+) diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index d9df238..07ed338 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -84,6 +84,24 @@ STEXI Show block device statistics. ETEXI +#if defined(CONFIG_VIRTFS) + + { + .name = "fsdev_iothrottle", + .args_type = "", + .params = "", + .help = "show fsdev iothrottle information", + .cmd = hmp_info_fsdev_iothrottle, + }, + +#endif + +STEXI +@item info fsdev_iothrottle +@findex fsdev_iothrottle +Show fsdev device throttle info. +ETEXI + { .name = "block-jobs", .args_type = "", diff --git a/hmp-commands.hx b/hmp-commands.hx index 1941e19..aef9f79 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1680,6 +1680,25 @@ STEXI Change I/O throttle limits for a block drive to @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr} ETEXI +#if defined(CONFIG_VIRTFS) + + { + .name = "fsdev_set_io_throttle", + .args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l", + .params = "device bps bps_rd bps_wr iops iops_rd iops_wr", + .help = "change I/O throttle limits for a fs devices", + .cmd = hmp_fsdev_set_io_throttle, + }, + +#endif + +STEXI +@item fsdev_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr} +@findex fsdev_set_io_throttle +Change I/O throttle limits for a fs devices to @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr} +ETEXI + + { .name = "set_password", .args_type = "protocol:s,password:s,connected:s?", diff --git a/hmp.c b/hmp.c index 2dbfb80..6e63cf1 100644 --- a/hmp.c +++ b/hmp.c @@ -1783,6 +1783,66 @@ void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict) hmp_handle_error(mon, &err); } +#ifdef CONFIG_VIRTFS + +void hmp_fsdev_set_io_throttle(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + IOThrottle throttle = { + .has_id = true, + .id = (char *) qdict_get_str(qdict, "device"), + }; + + hmp_initialize_io_throttle(&throttle, qdict); + qmp_fsdev_set_io_throttle(&throttle, &err); + hmp_handle_error(mon, &err); +} + +static void print_fsdev_throttle_config(Monitor *mon, IOThrottle *fscfg) +{ + monitor_printf(mon, "%s", fscfg->id); + monitor_printf(mon, " I/O throttling:" + " bps=%" PRId64 + " bps_rd=%" PRId64 " bps_wr=%" PRId64 + " bps_max=%" PRId64 + " bps_rd_max=%" PRId64 + " bps_wr_max=%" PRId64 + " iops=%" PRId64 " iops_rd=%" PRId64 + " iops_wr=%" PRId64 + " iops_max=%" PRId64 + " iops_rd_max=%" PRId64 + " iops_wr_max=%" PRId64 + " iops_size=%" PRId64 + "\n", + fscfg->bps, + fscfg->bps_rd, + fscfg->bps_wr, + fscfg->bps_max, + fscfg->bps_rd_max, + fscfg->bps_wr_max, + fscfg->iops, + fscfg->iops_rd, + fscfg->iops_wr, + fscfg->iops_max, + fscfg->iops_rd_max, + fscfg->iops_wr_max, + fscfg->iops_size); +} + +void hmp_info_fsdev_iothrottle(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + IOThrottleList *fsdev_list, *info; + fsdev_list = qmp_query_fsdev_io_throttle(&err); + + for (info = fsdev_list; info; info = info->next) { + print_fsdev_throttle_config(mon, info->value); + } + qapi_free_IOThrottleList(fsdev_list); +} + +#endif + void hmp_block_stream(Monitor *mon, const QDict *qdict) { Error *error = NULL; diff --git a/hmp.h b/hmp.h index 1ff4552..d700d7d 100644 --- a/hmp.h +++ b/hmp.h @@ -81,6 +81,10 @@ void hmp_set_password(Monitor *mon, const QDict *qdict); void hmp_expire_password(Monitor *mon, const QDict *qdict); void hmp_eject(Monitor *mon, const QDict *qdict); void hmp_change(Monitor *mon, const QDict *qdict); +#ifdef CONFIG_VIRTFS +void hmp_fsdev_set_io_throttle(Monitor *mon, const QDict *qdict); +void hmp_info_fsdev_iothrottle(Monitor *mon, const QDict *qdict); +#endif void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict); void hmp_block_stream(Monitor *mon, const QDict *qdict); void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict); -- 1.8.3.1