diff options
Diffstat (limited to 'tools/lib/traceevent/plugins/plugin_tlb.c')
-rw-r--r-- | tools/lib/traceevent/plugins/plugin_tlb.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/tools/lib/traceevent/plugins/plugin_tlb.c b/tools/lib/traceevent/plugins/plugin_tlb.c deleted file mode 100644 index 43657fb60504..000000000000 --- a/tools/lib/traceevent/plugins/plugin_tlb.c +++ /dev/null @@ -1,66 +0,0 @@ -// SPDX-License-Identifier: LGPL-2.1 -/* - * Copyright (C) 2015 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> - */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "event-parse.h" - -enum tlb_flush_reason { - TLB_FLUSH_ON_TASK_SWITCH, - TLB_REMOTE_SHOOTDOWN, - TLB_LOCAL_SHOOTDOWN, - TLB_LOCAL_MM_SHOOTDOWN, - NR_TLB_FLUSH_REASONS, -}; - -static int tlb_flush_handler(struct trace_seq *s, struct tep_record *record, - struct tep_event *event, void *context) -{ - unsigned long long val; - - trace_seq_printf(s, "pages="); - - tep_print_num_field(s, "%ld", event, "pages", record, 1); - - if (tep_get_field_val(s, event, "reason", record, &val, 1) < 0) - return -1; - - trace_seq_puts(s, " reason="); - - switch (val) { - case TLB_FLUSH_ON_TASK_SWITCH: - trace_seq_puts(s, "flush on task switch"); - break; - case TLB_REMOTE_SHOOTDOWN: - trace_seq_puts(s, "remote shootdown"); - break; - case TLB_LOCAL_SHOOTDOWN: - trace_seq_puts(s, "local shootdown"); - break; - case TLB_LOCAL_MM_SHOOTDOWN: - trace_seq_puts(s, "local mm shootdown"); - break; - } - - trace_seq_printf(s, " (%lld)", val); - - return 0; -} - -int TEP_PLUGIN_LOADER(struct tep_handle *tep) -{ - tep_register_event_handler(tep, -1, "tlb", "tlb_flush", - tlb_flush_handler, NULL); - - return 0; -} - -void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) -{ - tep_unregister_event_handler(tep, -1, - "tlb", "tlb_flush", - tlb_flush_handler, NULL); -} |