Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "debug.h"
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#include "evsel.h"
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#include "kvm-stat.h"
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#if defined(HAVE_KVM_STAT_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
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bool kvm_exit_event(struct evsel *evsel)
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{
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return evsel__name_is(evsel, kvm_exit_trace);
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}
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void exit_event_get_key(struct evsel *evsel,
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struct perf_sample *sample,
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struct event_key *key)
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{
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key->info = 0;
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key->key = evsel__intval(evsel, sample, kvm_exit_reason);
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}
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bool exit_event_begin(struct evsel *evsel,
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struct perf_sample *sample, struct event_key *key)
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{
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if (kvm_exit_event(evsel)) {
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exit_event_get_key(evsel, sample, key);
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return true;
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}
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return false;
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}
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bool kvm_entry_event(struct evsel *evsel)
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{
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return evsel__name_is(evsel, kvm_entry_trace);
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}
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bool exit_event_end(struct evsel *evsel,
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struct perf_sample *sample __maybe_unused,
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struct event_key *key __maybe_unused)
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{
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return kvm_entry_event(evsel);
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}
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static const char *get_exit_reason(struct perf_kvm_stat *kvm,
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struct exit_reasons_table *tbl,
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u64 exit_code)
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{
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while (tbl->reason != NULL) {
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if (tbl->exit_code == exit_code)
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return tbl->reason;
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tbl++;
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}
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pr_err("unknown kvm exit code:%lld on %s\n",
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(unsigned long long)exit_code, kvm->exit_reasons_isa);
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return "UNKNOWN";
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}
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void exit_event_decode_key(struct perf_kvm_stat *kvm,
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struct event_key *key,
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char *decode)
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{
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const char *exit_reason = get_exit_reason(kvm, key->exit_reasons,
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key->key);
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scnprintf(decode, KVM_EVENT_NAME_LEN, "%s", exit_reason);
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}
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#endif
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