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tools lib traceevent, perf tools: Move struct tep_handler definition in a local header file
As traceevent is going to be transferred into a proper library, its local data should be protected from the library users. This patch encapsulates struct tep_handler into a local header, not visible outside of the library. It implements also a bunch of new APIs, which library users can use to access tep_handler members. Signed-off-by: Tzvetomir Stoyanov <tstoyanov@vmware.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: linux trace devel <linux-trace-devel@vger.kernel.org> Cc: tzvetomir stoyanov <tstoyanov@vmware.com> Link: http://lkml.kernel.org/r/20181005122225.522155df@gandalf.local.home Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Tzvetomir Stoyanov
Arnaldo Carvalho de Melo
parent
bbbab191c2
commit
bb3dd7e7c4
9 changed files with 416 additions and 211 deletions
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@ -405,149 +405,18 @@ void tep_print_plugins(struct trace_seq *s,
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const char *prefix, const char *suffix,
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const struct tep_plugin_list *list);
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struct cmdline;
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struct cmdline_list;
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struct func_map;
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struct func_list;
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struct event_handler;
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struct func_resolver;
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/* tep_handle */
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typedef char *(tep_func_resolver_t)(void *priv,
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unsigned long long *addrp, char **modp);
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void tep_set_flag(struct tep_handle *tep, int flag);
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unsigned short __tep_data2host2(struct tep_handle *pevent, unsigned short data);
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unsigned int __tep_data2host4(struct tep_handle *pevent, unsigned int data);
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unsigned long long
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__tep_data2host8(struct tep_handle *pevent, unsigned long long data);
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struct tep_handle {
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int ref_count;
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int header_page_ts_offset;
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int header_page_ts_size;
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int header_page_size_offset;
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int header_page_size_size;
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int header_page_data_offset;
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int header_page_data_size;
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int header_page_overwrite;
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int file_bigendian;
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int host_bigendian;
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int latency_format;
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int old_format;
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int cpus;
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int long_size;
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int page_size;
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struct cmdline *cmdlines;
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struct cmdline_list *cmdlist;
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int cmdline_count;
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struct func_map *func_map;
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struct func_resolver *func_resolver;
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struct func_list *funclist;
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unsigned int func_count;
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struct printk_map *printk_map;
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struct printk_list *printklist;
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unsigned int printk_count;
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struct tep_event_format **events;
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int nr_events;
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struct tep_event_format **sort_events;
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enum tep_event_sort_type last_type;
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int type_offset;
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int type_size;
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int pid_offset;
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int pid_size;
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int pc_offset;
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int pc_size;
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int flags_offset;
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int flags_size;
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int ld_offset;
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int ld_size;
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int print_raw;
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int test_filters;
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int flags;
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struct tep_format_field *bprint_ip_field;
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struct tep_format_field *bprint_fmt_field;
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struct tep_format_field *bprint_buf_field;
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struct event_handler *handlers;
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struct tep_function_handler *func_handlers;
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/* cache */
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struct tep_event_format *last_event;
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char *trace_clock;
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};
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static inline void tep_set_flag(struct tep_handle *pevent, int flag)
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{
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pevent->flags |= flag;
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}
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static inline unsigned short
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__tep_data2host2(struct tep_handle *pevent, unsigned short data)
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{
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unsigned short swap;
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if (pevent->host_bigendian == pevent->file_bigendian)
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return data;
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swap = ((data & 0xffULL) << 8) |
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((data & (0xffULL << 8)) >> 8);
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return swap;
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}
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static inline unsigned int
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__tep_data2host4(struct tep_handle *pevent, unsigned int data)
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{
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unsigned int swap;
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if (pevent->host_bigendian == pevent->file_bigendian)
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return data;
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swap = ((data & 0xffULL) << 24) |
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((data & (0xffULL << 8)) << 8) |
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((data & (0xffULL << 16)) >> 8) |
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((data & (0xffULL << 24)) >> 24);
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return swap;
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}
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static inline unsigned long long
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__tep_data2host8(struct tep_handle *pevent, unsigned long long data)
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{
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unsigned long long swap;
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if (pevent->host_bigendian == pevent->file_bigendian)
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return data;
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swap = ((data & 0xffULL) << 56) |
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((data & (0xffULL << 8)) << 40) |
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((data & (0xffULL << 16)) << 24) |
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((data & (0xffULL << 24)) << 8) |
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((data & (0xffULL << 32)) >> 8) |
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((data & (0xffULL << 40)) >> 24) |
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((data & (0xffULL << 48)) >> 40) |
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((data & (0xffULL << 56)) >> 56);
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return swap;
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}
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#define tep_data2host2(pevent, ptr) __tep_data2host2(pevent, *(unsigned short *)(ptr))
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#define tep_data2host4(pevent, ptr) __tep_data2host4(pevent, *(unsigned int *)(ptr))
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#define tep_data2host8(pevent, ptr) \
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#define tep_data2host2(pevent, ptr) __tep_data2host2(pevent, *(unsigned short *)(ptr))
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#define tep_data2host4(pevent, ptr) __tep_data2host4(pevent, *(unsigned int *)(ptr))
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#define tep_data2host8(pevent, ptr) \
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({ \
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unsigned long long __val; \
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\
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@ -655,11 +524,12 @@ unsigned long long tep_read_number(struct tep_handle *pevent, const void *ptr, i
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int tep_read_number_field(struct tep_format_field *field, const void *data,
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unsigned long long *value);
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struct tep_event_format *tep_get_first_event(struct tep_handle *tep);
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int tep_get_events_count(struct tep_handle *tep);
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struct tep_event_format *tep_find_event(struct tep_handle *pevent, int id);
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struct tep_event_format *
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tep_find_event_by_name(struct tep_handle *pevent, const char *sys, const char *name);
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struct tep_event_format *
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tep_find_event_by_record(struct tep_handle *pevent, struct tep_record *record);
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@ -689,65 +559,23 @@ struct tep_event_format **tep_list_events(struct tep_handle *pevent, enum tep_ev
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struct tep_format_field **tep_event_common_fields(struct tep_event_format *event);
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struct tep_format_field **tep_event_fields(struct tep_event_format *event);
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static inline int tep_get_cpus(struct tep_handle *pevent)
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{
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return pevent->cpus;
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}
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static inline void tep_set_cpus(struct tep_handle *pevent, int cpus)
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{
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pevent->cpus = cpus;
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}
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static inline int tep_get_long_size(struct tep_handle *pevent)
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{
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return pevent->long_size;
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}
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static inline void tep_set_long_size(struct tep_handle *pevent, int long_size)
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{
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pevent->long_size = long_size;
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}
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static inline int tep_get_page_size(struct tep_handle *pevent)
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{
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return pevent->page_size;
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}
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static inline void tep_set_page_size(struct tep_handle *pevent, int _page_size)
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{
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pevent->page_size = _page_size;
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}
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static inline int tep_is_file_bigendian(struct tep_handle *pevent)
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{
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return pevent->file_bigendian;
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}
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static inline void tep_set_file_bigendian(struct tep_handle *pevent, int endian)
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{
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pevent->file_bigendian = endian;
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}
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static inline int tep_is_host_bigendian(struct tep_handle *pevent)
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{
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return pevent->host_bigendian;
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}
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static inline void tep_set_host_bigendian(struct tep_handle *pevent, int endian)
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{
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pevent->host_bigendian = endian;
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}
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static inline int tep_is_latency_format(struct tep_handle *pevent)
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{
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return pevent->latency_format;
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}
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static inline void tep_set_latency_format(struct tep_handle *pevent, int lat)
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{
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pevent->latency_format = lat;
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}
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enum tep_endian {
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TEP_LITTLE_ENDIAN = 0,
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TEP_BIG_ENDIAN
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};
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int tep_get_cpus(struct tep_handle *pevent);
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void tep_set_cpus(struct tep_handle *pevent, int cpus);
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int tep_get_long_size(struct tep_handle *pevent);
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void tep_set_long_size(struct tep_handle *pevent, int long_size);
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int tep_get_page_size(struct tep_handle *pevent);
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void tep_set_page_size(struct tep_handle *pevent, int _page_size);
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int tep_is_file_bigendian(struct tep_handle *pevent);
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void tep_set_file_bigendian(struct tep_handle *pevent, enum tep_endian endian);
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int tep_is_host_bigendian(struct tep_handle *pevent);
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void tep_set_host_bigendian(struct tep_handle *pevent, enum tep_endian endian);
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int tep_is_latency_format(struct tep_handle *pevent);
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void tep_set_latency_format(struct tep_handle *pevent, int lat);
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int tep_get_header_page_size(struct tep_handle *pevent);
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struct tep_handle *tep_alloc(void);
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void tep_free(struct tep_handle *pevent);
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