From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EE8E9C7EE37 for ; Tue, 6 Jun 2023 22:02:59 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q6ekm-0006oj-Fm; Tue, 06 Jun 2023 18:02:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q6ekk-0006oE-R3; Tue, 06 Jun 2023 18:02:10 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q6eki-0001Gs-A8; Tue, 06 Jun 2023 18:02:10 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 97E61746369; Wed, 7 Jun 2023 00:02:01 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 7EBCC74635C; Wed, 7 Jun 2023 00:02:00 +0200 (CEST) From: BALATON Zoltan Subject: [PATCH] target/ppc: Implement gathering irq statistics MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Greg Kurz , Daniel Henrique Barboza Message-Id: <20230606220200.7EBCC74635C@zero.eik.bme.hu> Date: Wed, 7 Jun 2023 00:02:00 +0200 (CEST) Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 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 Count exceptions which can be queried with info irq monitor command. Signed-off-by: BALATON Zoltan --- target/ppc/cpu.h | 1 + target/ppc/cpu_init.c | 18 ++++++++++++++++++ target/ppc/excp_helper.c | 1 + 3 files changed, 20 insertions(+) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index c7c2a5534c..d3a9197e02 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1194,6 +1194,7 @@ struct CPUArchState { int error_code; uint32_t pending_interrupts; #if !defined(CONFIG_USER_ONLY) + uint64_t excp_stats[POWERPC_EXCP_NB]; /* * This is the IRQ controller, which is implementation dependent and only * relevant when emulating a complete machine. Note that this isn't used diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index 05bf73296b..716f2b5d64 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -48,6 +48,7 @@ #ifndef CONFIG_USER_ONLY #include "hw/boards.h" +#include "hw/intc/intc.h" #endif /* #define PPC_DEBUG_SPR */ @@ -7123,6 +7124,16 @@ static bool ppc_cpu_is_big_endian(CPUState *cs) return !FIELD_EX64(env->msr, MSR, LE); } +static bool ppc_get_irq_stats(InterruptStatsProvider *obj, + uint64_t **irq_counts, unsigned int *nb_irqs) +{ + CPUPPCState *env = &POWERPC_CPU(obj)->env; + + *irq_counts = env->excp_stats; + *nb_irqs = ARRAY_SIZE(env->excp_stats); + return true; +} + #ifdef CONFIG_TCG static void ppc_cpu_exec_enter(CPUState *cs) { @@ -7286,6 +7297,7 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data) cc->gdb_write_register = ppc_cpu_gdb_write_register; #ifndef CONFIG_USER_ONLY cc->sysemu_ops = &ppc_sysemu_ops; + INTERRUPT_STATS_PROVIDER_CLASS(oc)->get_statistics = ppc_get_irq_stats; #endif cc->gdb_num_core_regs = 71; @@ -7323,6 +7335,12 @@ static const TypeInfo ppc_cpu_type_info = { .abstract = true, .class_size = sizeof(PowerPCCPUClass), .class_init = ppc_cpu_class_init, +#ifndef CONFIG_USER_ONLY + .interfaces = (InterfaceInfo[]) { + { TYPE_INTERRUPT_STATS_PROVIDER }, + { } + }, +#endif }; #ifndef CONFIG_USER_ONLY diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index fea9221501..5480d9d2c7 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -1652,6 +1652,7 @@ static void powerpc_excp(PowerPCCPU *cpu, int excp) qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx " => %s (%d) error=%02x\n", env->nip, powerpc_excp_name(excp), excp, env->error_code); + env->excp_stats[excp]++; switch (env->excp_model) { case POWERPC_EXCP_40x: -- 2.30.9