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88affa1c77
Going forward with simpletrace v2 variable size trace records, we cannot have a generic function to print trace event info and therefore this interface becomes invalid. As per Stefan Hajnoczi: "This command is only available from the human monitor. It's not very useful because it historically hasn't been able to pretty-print events or show them in the right order (we use a ringbuffer but it prints them out from index 0). Therefore, I don't think we're under any obligation to keep this command around. No one has complained about it's limitations - I think this is a sign that no one has used it. I'd be okay with a patch that removes it." Ref: http://lists.gnu.org/archive/html/qemu-devel/2012-01/msg01268.html Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/*
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* Simple trace backend
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*
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* Copyright IBM, Corp. 2010
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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*/
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#ifndef TRACE_SIMPLE_H
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#define TRACE_SIMPLE_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdio.h>
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typedef uint64_t TraceEventID;
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typedef struct {
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const char *tp_name;
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bool state;
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} TraceEvent;
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void trace0(TraceEventID event);
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void trace1(TraceEventID event, uint64_t x1);
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void trace2(TraceEventID event, uint64_t x1, uint64_t x2);
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void trace3(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3);
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void trace4(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4);
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void trace5(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4, uint64_t x5);
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void trace6(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4, uint64_t x5, uint64_t x6);
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void st_print_trace_file_status(FILE *stream, fprintf_function stream_printf);
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void st_set_trace_file_enabled(bool enable);
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bool st_set_trace_file(const char *file);
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void st_flush_trace_buffer(void);
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#endif /* TRACE_SIMPLE_H */
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