Skip to content
Snippets Groups Projects
Select Git revision
  • d9f903f6af3dc6d13b21c0eca8f4a169aa70d80d
  • vme-testing default
  • ci-test
  • master
  • remoteproc
  • am625-sk-ov5640
  • pcal6534-upstreaming
  • lps22df-upstreaming
  • msc-upstreaming
  • imx8mp
  • iio/noa1305
  • vme-next
  • vme-next-4.14-rc4
  • v4.14-rc4
  • v4.14-rc3
  • v4.14-rc2
  • v4.14-rc1
  • v4.13
  • vme-next-4.13-rc7
  • v4.13-rc7
  • v4.13-rc6
  • v4.13-rc5
  • v4.13-rc4
  • v4.13-rc3
  • v4.13-rc2
  • v4.13-rc1
  • v4.12
  • v4.12-rc7
  • v4.12-rc6
  • v4.12-rc5
  • v4.12-rc4
  • v4.12-rc3
32 results

phy.c

Blame
  • kvm-stat.c 2.05 KiB
    // SPDX-License-Identifier: GPL-2.0
    #include <errno.h>
    #include <memory.h>
    #include "../../../util/evsel.h"
    #include "../../../util/kvm-stat.h"
    #include "arm64_exception_types.h"
    #include "debug.h"
    
    define_exit_reasons_table(arm64_exit_reasons, kvm_arm_exception_type);
    define_exit_reasons_table(arm64_trap_exit_reasons, kvm_arm_exception_class);
    
    const char *kvm_trap_exit_reason = "esr_ec";
    const char *vcpu_id_str = "id";
    const int decode_str_len = 20;
    const char *kvm_exit_reason = "ret";
    const char *kvm_entry_trace = "kvm:kvm_entry";
    const char *kvm_exit_trace = "kvm:kvm_exit";
    
    const char *kvm_events_tp[] = {
    	"kvm:kvm_entry",
    	"kvm:kvm_exit",
    	NULL,
    };
    
    static void event_get_key(struct evsel *evsel,
    			  struct perf_sample *sample,
    			  struct event_key *key)
    {
    	key->info = 0;
    	key->key = evsel__intval(evsel, sample, kvm_exit_reason);
    	key->exit_reasons = arm64_exit_reasons;
    
    	/*
    	 * TRAP exceptions carry exception class info in esr_ec field
    	 * and, hence, we need to use a different exit_reasons table to
    	 * properly decode event's est_ec.
    	 */
    	if (key->key == ARM_EXCEPTION_TRAP) {
    		key->key = evsel__intval(evsel, sample, kvm_trap_exit_reason);
    		key->exit_reasons = arm64_trap_exit_reasons;
    	}
    }
    
    static bool event_begin(struct evsel *evsel,
    			struct perf_sample *sample __maybe_unused,
    			struct event_key *key __maybe_unused)
    {
    	return !strcmp(evsel->name, kvm_entry_trace);
    }
    
    static bool event_end(struct evsel *evsel,
    		      struct perf_sample *sample,
    		      struct event_key *key)
    {
    	if (!strcmp(evsel->name, kvm_exit_trace)) {
    		event_get_key(evsel, sample, key);
    		return true;
    	}
    	return false;
    }
    
    static struct kvm_events_ops exit_events = {
    	.is_begin_event = event_begin,
    	.is_end_event	= event_end,
    	.decode_key	= exit_event_decode_key,
    	.name		= "VM-EXIT"
    };
    
    struct kvm_reg_events_ops kvm_reg_events_ops[] = {
    	{