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69769ce159
The member "pevent" of the struct tep_event is renamed to "tep". This makes the struct consistent with the chosen naming convention: tep (trace event parser), instead of the old pevent. Signed-off-by: Tzvetomir Stoyanov <tstoyanov@vmware.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lore.kernel.org/linux-trace-devel/20190401132111.13727-3-tstoyanov@vmware.com Link: http://lkml.kernel.org/r/20190401164344.627724996@goodmis.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*
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* Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License (not later!)
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <http://www.gnu.org/licenses>
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "event-parse.h"
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#include "trace-seq.h"
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static int call_site_handler(struct trace_seq *s, struct tep_record *record,
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struct tep_event *event, void *context)
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{
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struct tep_format_field *field;
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unsigned long long val, addr;
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void *data = record->data;
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const char *func;
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field = tep_find_field(event, "call_site");
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if (!field)
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return 1;
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if (tep_read_number_field(field, data, &val))
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return 1;
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func = tep_find_function(event->tep, val);
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if (!func)
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return 1;
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addr = tep_find_function_address(event->tep, val);
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trace_seq_printf(s, "(%s+0x%x) ", func, (int)(val - addr));
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return 1;
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}
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int TEP_PLUGIN_LOADER(struct tep_handle *tep)
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{
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tep_register_event_handler(tep, -1, "kmem", "kfree",
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call_site_handler, NULL);
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tep_register_event_handler(tep, -1, "kmem", "kmalloc",
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call_site_handler, NULL);
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tep_register_event_handler(tep, -1, "kmem", "kmalloc_node",
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call_site_handler, NULL);
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tep_register_event_handler(tep, -1, "kmem", "kmem_cache_alloc",
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call_site_handler, NULL);
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tep_register_event_handler(tep, -1, "kmem",
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"kmem_cache_alloc_node",
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call_site_handler, NULL);
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tep_register_event_handler(tep, -1, "kmem", "kmem_cache_free",
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call_site_handler, NULL);
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return 0;
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}
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void TEP_PLUGIN_UNLOADER(struct tep_handle *tep)
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{
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tep_unregister_event_handler(tep, -1, "kmem", "kfree",
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call_site_handler, NULL);
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tep_unregister_event_handler(tep, -1, "kmem", "kmalloc",
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call_site_handler, NULL);
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tep_unregister_event_handler(tep, -1, "kmem", "kmalloc_node",
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call_site_handler, NULL);
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tep_unregister_event_handler(tep, -1, "kmem", "kmem_cache_alloc",
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call_site_handler, NULL);
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tep_unregister_event_handler(tep, -1, "kmem",
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"kmem_cache_alloc_node",
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call_site_handler, NULL);
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tep_unregister_event_handler(tep, -1, "kmem", "kmem_cache_free",
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call_site_handler, NULL);
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}
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