{"id":809754,"url":"http://patchwork.ozlabs.org/api/1.0/patches/809754/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<1504541267-36954-7-git-send-email-pradeep.jagadeesh@huawei.com>","date":"2017-09-04T16:07:47","name":"[v10,6/6] fsdev: hmp interface for throttling","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"ca0ec5072519ba00b417d1e6b08dc3cad8055fea","submitter":{"id":69852,"url":"http://patchwork.ozlabs.org/api/1.0/people/69852/?format=json","name":"Pradeep Jagadeesh","email":"pradeepkiruvale@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/1504541267-36954-7-git-send-email-pradeep.jagadeesh@huawei.com/mbox/","series":[{"id":1415,"url":"http://patchwork.ozlabs.org/api/1.0/series/1415/?format=json","date":"2017-09-04T16:07:42","name":"fsdev: qmp interface for io throttling","version":10,"mbox":"http://patchwork.ozlabs.org/series/1415/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/809754/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=)","ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) 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-0400","Message-Id":"<1504541267-36954-7-git-send-email-pradeep.jagadeesh@huawei.com>","X-Mailer":"git-send-email 1.8.3.1","In-Reply-To":"<1504541267-36954-1-git-send-email-pradeep.jagadeesh@huawei.com>","References":"<1504541267-36954-1-git-send-email-pradeep.jagadeesh@huawei.com>","X-detected-operating-system":"by eggs.gnu.org: Genre and OS details not\n\trecognized.","X-Received-From":"2a00:1450:400c:c0c::244","Subject":"[Qemu-devel] [PATCH v10 6/6] fsdev: hmp interface for throttling","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"qemu-devel@nongnu.org, jani kokkonen ,\n\talberto garcia ,\n\tPradeep Jagadeesh ,\n\t\"Dr. David Alan Gilbert\" ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t"},"content":"This patch introduces hmp interfaces for the fsdev\ndevices.\n\nSigned-off-by: Pradeep Jagadeesh \n---\n hmp-commands-info.hx | 18 ++++++++++++++++\n hmp-commands.hx | 19 +++++++++++++++++\n hmp.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++\n hmp.h | 4 ++++\n 4 files changed, 101 insertions(+)","diff":"diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx\nindex d9df238..07ed338 100644\n--- a/hmp-commands-info.hx\n+++ b/hmp-commands-info.hx\n@@ -84,6 +84,24 @@ STEXI\n Show block device statistics.\n ETEXI\n \n+#if defined(CONFIG_VIRTFS)\n+\n+ {\n+ .name = \"fsdev_iothrottle\",\n+ .args_type = \"\",\n+ .params = \"\",\n+ .help = \"show fsdev iothrottle information\",\n+ .cmd = hmp_info_fsdev_iothrottle,\n+ },\n+\n+#endif\n+\n+STEXI\n+@item info fsdev_iothrottle\n+@findex fsdev_iothrottle\n+Show fsdev device throttle info.\n+ETEXI\n+\n {\n .name = \"block-jobs\",\n .args_type = \"\",\ndiff --git a/hmp-commands.hx b/hmp-commands.hx\nindex 1941e19..aef9f79 100644\n--- a/hmp-commands.hx\n+++ b/hmp-commands.hx\n@@ -1680,6 +1680,25 @@ STEXI\n 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}\n ETEXI\n \n+#if defined(CONFIG_VIRTFS)\n+\n+ {\n+ .name = \"fsdev_set_io_throttle\",\n+ .args_type = \"device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l\",\n+ .params = \"device bps bps_rd bps_wr iops iops_rd iops_wr\",\n+ .help = \"change I/O throttle limits for a fs devices\",\n+ .cmd = hmp_fsdev_set_io_throttle,\n+ },\n+\n+#endif\n+\n+STEXI\n+@item fsdev_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}\n+@findex fsdev_set_io_throttle\n+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}\n+ETEXI\n+\n+\n {\n .name = \"set_password\",\n .args_type = \"protocol:s,password:s,connected:s?\",\ndiff --git a/hmp.c b/hmp.c\nindex 2dbfb80..6e63cf1 100644\n--- a/hmp.c\n+++ b/hmp.c\n@@ -1783,6 +1783,66 @@ void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)\n hmp_handle_error(mon, &err);\n }\n \n+#ifdef CONFIG_VIRTFS\n+\n+void hmp_fsdev_set_io_throttle(Monitor *mon, const QDict *qdict)\n+{\n+ Error *err = NULL;\n+ IOThrottle throttle = {\n+ .has_id = true,\n+ .id = (char *) qdict_get_str(qdict, \"device\"),\n+ };\n+\n+ hmp_initialize_io_throttle(&throttle, qdict);\n+ qmp_fsdev_set_io_throttle(&throttle, &err);\n+ hmp_handle_error(mon, &err);\n+}\n+\n+static void print_fsdev_throttle_config(Monitor *mon, IOThrottle *fscfg)\n+{\n+ monitor_printf(mon, \"%s\", fscfg->id);\n+ monitor_printf(mon, \" I/O throttling:\"\n+ \" bps=%\" PRId64\n+ \" bps_rd=%\" PRId64 \" bps_wr=%\" PRId64\n+ \" bps_max=%\" PRId64\n+ \" bps_rd_max=%\" PRId64\n+ \" bps_wr_max=%\" PRId64\n+ \" iops=%\" PRId64 \" iops_rd=%\" PRId64\n+ \" iops_wr=%\" PRId64\n+ \" iops_max=%\" PRId64\n+ \" iops_rd_max=%\" PRId64\n+ \" iops_wr_max=%\" PRId64\n+ \" iops_size=%\" PRId64\n+ \"\\n\",\n+ fscfg->bps,\n+ fscfg->bps_rd,\n+ fscfg->bps_wr,\n+ fscfg->bps_max,\n+ fscfg->bps_rd_max,\n+ fscfg->bps_wr_max,\n+ fscfg->iops,\n+ fscfg->iops_rd,\n+ fscfg->iops_wr,\n+ fscfg->iops_max,\n+ fscfg->iops_rd_max,\n+ fscfg->iops_wr_max,\n+ fscfg->iops_size);\n+}\n+\n+void hmp_info_fsdev_iothrottle(Monitor *mon, const QDict *qdict)\n+{\n+ Error *err = NULL;\n+ IOThrottleList *fsdev_list, *info;\n+ fsdev_list = qmp_query_fsdev_io_throttle(&err);\n+\n+ for (info = fsdev_list; info; info = info->next) {\n+ print_fsdev_throttle_config(mon, info->value);\n+ }\n+ qapi_free_IOThrottleList(fsdev_list);\n+}\n+\n+#endif\n+\n void hmp_block_stream(Monitor *mon, const QDict *qdict)\n {\n Error *error = NULL;\ndiff --git a/hmp.h b/hmp.h\nindex 1ff4552..d700d7d 100644\n--- a/hmp.h\n+++ b/hmp.h\n@@ -81,6 +81,10 @@ void hmp_set_password(Monitor *mon, const QDict *qdict);\n void hmp_expire_password(Monitor *mon, const QDict *qdict);\n void hmp_eject(Monitor *mon, const QDict *qdict);\n void hmp_change(Monitor *mon, const QDict *qdict);\n+#ifdef CONFIG_VIRTFS\n+void hmp_fsdev_set_io_throttle(Monitor *mon, const QDict *qdict);\n+void hmp_info_fsdev_iothrottle(Monitor *mon, const QDict *qdict);\n+#endif\n void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict);\n void hmp_block_stream(Monitor *mon, const QDict *qdict);\n void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict);\n","prefixes":["v10","6/6"]}