155766568SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
23be8e2a0SAlexander Yarygin /*
33be8e2a0SAlexander Yarygin * Arch specific functions for perf kvm stat.
43be8e2a0SAlexander Yarygin *
53be8e2a0SAlexander Yarygin * Copyright 2014 IBM Corp.
63be8e2a0SAlexander Yarygin * Author(s): Alexander Yarygin <yarygin@linux.vnet.ibm.com>
73be8e2a0SAlexander Yarygin */
83be8e2a0SAlexander Yarygin
9a43783aeSArnaldo Carvalho de Melo #include <errno.h>
10e740ca86SArnaldo Carvalho de Melo #include <string.h>
113be8e2a0SAlexander Yarygin #include "../../util/kvm-stat.h"
125691903aSArnaldo Carvalho de Melo #include "../../util/evsel.h"
13162607eaSHemant Kumar #include <asm/sie.h>
143be8e2a0SAlexander Yarygin
153be8e2a0SAlexander Yarygin define_exit_reasons_table(sie_exit_reasons, sie_intercept_code);
163be8e2a0SAlexander Yarygin define_exit_reasons_table(sie_icpt_insn_codes, icpt_insn_codes);
173be8e2a0SAlexander Yarygin define_exit_reasons_table(sie_sigp_order_codes, sigp_order_codes);
183be8e2a0SAlexander Yarygin define_exit_reasons_table(sie_diagnose_codes, diagnose_codes);
193be8e2a0SAlexander Yarygin define_exit_reasons_table(sie_icpt_prog_codes, icpt_prog_codes);
203be8e2a0SAlexander Yarygin
21162607eaSHemant Kumar const char *vcpu_id_str = "id";
22162607eaSHemant Kumar const char *kvm_exit_reason = "icptcode";
23162607eaSHemant Kumar const char *kvm_entry_trace = "kvm:kvm_s390_sie_enter";
24162607eaSHemant Kumar const char *kvm_exit_trace = "kvm:kvm_s390_sie_exit";
25162607eaSHemant Kumar
event_icpt_insn_get_key(struct evsel * evsel,struct perf_sample * sample,struct event_key * key)2632dcd021SJiri Olsa static void event_icpt_insn_get_key(struct evsel *evsel,
273be8e2a0SAlexander Yarygin struct perf_sample *sample,
283be8e2a0SAlexander Yarygin struct event_key *key)
293be8e2a0SAlexander Yarygin {
303be8e2a0SAlexander Yarygin unsigned long insn;
313be8e2a0SAlexander Yarygin
32efc0cdc9SArnaldo Carvalho de Melo insn = evsel__intval(evsel, sample, "instruction");
333be8e2a0SAlexander Yarygin key->key = icpt_insn_decoder(insn);
343be8e2a0SAlexander Yarygin key->exit_reasons = sie_icpt_insn_codes;
353be8e2a0SAlexander Yarygin }
363be8e2a0SAlexander Yarygin
event_sigp_get_key(struct evsel * evsel,struct perf_sample * sample,struct event_key * key)3732dcd021SJiri Olsa static void event_sigp_get_key(struct evsel *evsel,
383be8e2a0SAlexander Yarygin struct perf_sample *sample,
393be8e2a0SAlexander Yarygin struct event_key *key)
403be8e2a0SAlexander Yarygin {
41efc0cdc9SArnaldo Carvalho de Melo key->key = evsel__intval(evsel, sample, "order_code");
423be8e2a0SAlexander Yarygin key->exit_reasons = sie_sigp_order_codes;
433be8e2a0SAlexander Yarygin }
443be8e2a0SAlexander Yarygin
event_diag_get_key(struct evsel * evsel,struct perf_sample * sample,struct event_key * key)4532dcd021SJiri Olsa static void event_diag_get_key(struct evsel *evsel,
463be8e2a0SAlexander Yarygin struct perf_sample *sample,
473be8e2a0SAlexander Yarygin struct event_key *key)
483be8e2a0SAlexander Yarygin {
49efc0cdc9SArnaldo Carvalho de Melo key->key = evsel__intval(evsel, sample, "code");
503be8e2a0SAlexander Yarygin key->exit_reasons = sie_diagnose_codes;
513be8e2a0SAlexander Yarygin }
523be8e2a0SAlexander Yarygin
event_icpt_prog_get_key(struct evsel * evsel,struct perf_sample * sample,struct event_key * key)5332dcd021SJiri Olsa static void event_icpt_prog_get_key(struct evsel *evsel,
543be8e2a0SAlexander Yarygin struct perf_sample *sample,
553be8e2a0SAlexander Yarygin struct event_key *key)
563be8e2a0SAlexander Yarygin {
57efc0cdc9SArnaldo Carvalho de Melo key->key = evsel__intval(evsel, sample, "code");
583be8e2a0SAlexander Yarygin key->exit_reasons = sie_icpt_prog_codes;
593be8e2a0SAlexander Yarygin }
603be8e2a0SAlexander Yarygin
613be8e2a0SAlexander Yarygin static struct child_event_ops child_events[] = {
623be8e2a0SAlexander Yarygin { .name = "kvm:kvm_s390_intercept_instruction",
633be8e2a0SAlexander Yarygin .get_key = event_icpt_insn_get_key },
643be8e2a0SAlexander Yarygin { .name = "kvm:kvm_s390_handle_sigp",
653be8e2a0SAlexander Yarygin .get_key = event_sigp_get_key },
663be8e2a0SAlexander Yarygin { .name = "kvm:kvm_s390_handle_diag",
673be8e2a0SAlexander Yarygin .get_key = event_diag_get_key },
683be8e2a0SAlexander Yarygin { .name = "kvm:kvm_s390_intercept_prog",
693be8e2a0SAlexander Yarygin .get_key = event_icpt_prog_get_key },
703be8e2a0SAlexander Yarygin { NULL, NULL },
713be8e2a0SAlexander Yarygin };
723be8e2a0SAlexander Yarygin
733be8e2a0SAlexander Yarygin static struct kvm_events_ops exit_events = {
743be8e2a0SAlexander Yarygin .is_begin_event = exit_event_begin,
753be8e2a0SAlexander Yarygin .is_end_event = exit_event_end,
763be8e2a0SAlexander Yarygin .child_ops = child_events,
773be8e2a0SAlexander Yarygin .decode_key = exit_event_decode_key,
783be8e2a0SAlexander Yarygin .name = "VM-EXIT"
793be8e2a0SAlexander Yarygin };
803be8e2a0SAlexander Yarygin
8148deaa74SHemant Kumar const char *kvm_events_tp[] = {
823be8e2a0SAlexander Yarygin "kvm:kvm_s390_sie_enter",
833be8e2a0SAlexander Yarygin "kvm:kvm_s390_sie_exit",
843be8e2a0SAlexander Yarygin "kvm:kvm_s390_intercept_instruction",
853be8e2a0SAlexander Yarygin "kvm:kvm_s390_handle_sigp",
863be8e2a0SAlexander Yarygin "kvm:kvm_s390_handle_diag",
873be8e2a0SAlexander Yarygin "kvm:kvm_s390_intercept_prog",
883be8e2a0SAlexander Yarygin NULL,
893be8e2a0SAlexander Yarygin };
903be8e2a0SAlexander Yarygin
913be8e2a0SAlexander Yarygin struct kvm_reg_events_ops kvm_reg_events_ops[] = {
923be8e2a0SAlexander Yarygin { .name = "vmexit", .ops = &exit_events },
933be8e2a0SAlexander Yarygin { NULL, NULL },
943be8e2a0SAlexander Yarygin };
953be8e2a0SAlexander Yarygin
963be8e2a0SAlexander Yarygin const char * const kvm_skip_events[] = {
973be8e2a0SAlexander Yarygin "Wait state",
983be8e2a0SAlexander Yarygin NULL,
993be8e2a0SAlexander Yarygin };
1003be8e2a0SAlexander Yarygin
cpu_isa_init(struct perf_kvm_stat * kvm,const char * cpuid)1013be8e2a0SAlexander Yarygin int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid)
1023be8e2a0SAlexander Yarygin {
1038a95c899SThomas Richter if (strstr(cpuid, "IBM")) {
1043be8e2a0SAlexander Yarygin kvm->exit_reasons = sie_exit_reasons;
1053be8e2a0SAlexander Yarygin kvm->exit_reasons_isa = "SIE";
1063be8e2a0SAlexander Yarygin } else
1073be8e2a0SAlexander Yarygin return -ENOTSUP;
1083be8e2a0SAlexander Yarygin
1093be8e2a0SAlexander Yarygin return 0;
1103be8e2a0SAlexander Yarygin }
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