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| author | BALATON Zoltan <balaton@eik.bme.hu> | 2023-06-07 00:02:00 +0200 |
|---|---|---|
| committer | Daniel Henrique Barboza <danielhb413@gmail.com> | 2023-06-10 10:19:24 -0300 |
| commit | 8a15ccee4d59b74be551dc7956d78bde2a52764a (patch) | |
| tree | 780971d713326f0c5e58e7b031fbb66f7672d495 /target/ppc | |
| parent | 12cae32fe1a18a4e89472e7f92b06a4eb1beb671 (diff) | |
| download | qemu-8a15ccee4d59b74be551dc7956d78bde2a52764a.zip qemu-8a15ccee4d59b74be551dc7956d78bde2a52764a.tar.gz qemu-8a15ccee4d59b74be551dc7956d78bde2a52764a.tar.bz2 | |
target/ppc: Implement gathering irq statistics
Count exceptions which can be queried with info irq monitor command.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230606220200.7EBCC74635C@zero.eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'target/ppc')
| -rw-r--r-- | target/ppc/cpu.h | 1 | ||||
| -rw-r--r-- | target/ppc/cpu_init.c | 18 | ||||
| -rw-r--r-- | target/ppc/excp_helper.c | 1 |
3 files changed, 20 insertions, 0 deletions
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 20508ba..0ee2adc 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1195,6 +1195,7 @@ 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 d4ef074..9f97222 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 8b95410..12d8a72 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -1655,6 +1655,7 @@ 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: |