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Tsirkin'" , Stefan Hajnoczi , Paolo Bonzini , =?UTF-8?q?=27Daniel=20P=20=2E=20Berrang=C3=A9=27?= , Jason Wang Cc: Zhang Chen Subject: [PATCH V15 12/14] monitor/hmp: display IOThread holders Date: Mon, 7 Sep 2026 14:37:23 +0800 Message-ID: <20260907063725.626685-13-zhangckid@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260907063725.626685-1-zhangckid@gmail.com> References: <20260907063725.626685-1-zhangckid@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::633; envelope-from=zhangckid@gmail.com; helo=mail-pl1-x633.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Display holder information in info iothreads to aid manual debugging. Reviewed-by: Markus Armbruster Signed-off-by: Zhang Chen --- monitor/hmp-cmds.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 91701ddf33..d7dd24d951 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -246,11 +246,31 @@ void hmp_info_iothreads(MonitorHMP *hmp, const QDict *qdict) IOThreadInfoList *info_list = qmp_query_iothreads(NULL); IOThreadInfoList *info; IOThreadInfo *value; + IOThreadHolderList *h; for (info = info_list; info; info = info->next) { value = info->value; monitor_hmp_printf(hmp, "%s:\n", value->id); monitor_hmp_printf(hmp, " thread_id=%" PRId64 "\n", value->thread_id); + monitor_hmp_printf(hmp, " holders="); + for (h = value->holders; h; h = h->next) { + IOThreadHolder *holder = h->value; + + switch (holder->type) { + case IO_THREAD_HOLDER_KIND_BLOCK_EXPORT: + monitor_hmp_printf(hmp, "[block-export: %s]", + holder->u.block_export.export_id); + break; + case IO_THREAD_HOLDER_KIND_QOM_OBJECT: + monitor_hmp_printf(hmp, "[qom-path: %s]", + holder->u.qom_object.qom_path); + break; + default: + g_assert_not_reached(); + } + } + monitor_hmp_printf(hmp, "\n"); + monitor_hmp_printf(hmp, " poll-max-ns=%" PRId64 "\n", value->poll_max_ns); monitor_hmp_printf(hmp, " poll-grow=%" PRId64 "\n", value->poll_grow); monitor_hmp_printf(hmp, " poll-shrink=%" PRId64 "\n", value->poll_shrink); -- 2.43.0