Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / tools / perf / util / annotate.h

diff --git a/kernel/tools/perf/util/annotate.h b/kernel/tools/perf/util/annotate.h
new file mode 100644 (file)
index 0000000..cadbdc9
--- /dev/null
+++ b/kernel/tools/perf/util/annotate.h
@@ -0,0 +1,172 @@
+#ifndef __PERF_ANNOTATE_H
+#define __PERF_ANNOTATE_H
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <linux/types.h>
+#include "symbol.h"
+#include "hist.h"
+#include "sort.h"
+#include <linux/list.h>
+#include <linux/rbtree.h>
+#include <pthread.h>
+
+struct ins;
+
+struct ins_operands {
+       char    *raw;
+       struct {
+               char    *raw;
+               char    *name;
+               u64     addr;
+               u64     offset;
+       } target;
+       union {
+               struct {
+                       char    *raw;
+                       char    *name;
+                       u64     addr;
+               } source;
+               struct {
+                       struct ins *ins;
+                       struct ins_operands *ops;
+               } locked;
+       };
+};
+
+struct ins_ops {
+       void (*free)(struct ins_operands *ops);
+       int (*parse)(struct ins_operands *ops);
+       int (*scnprintf)(struct ins *ins, char *bf, size_t size,
+                        struct ins_operands *ops);
+};
+
+struct ins {
+       const char     *name;
+       struct ins_ops *ops;
+};
+
+bool ins__is_jump(const struct ins *ins);
+bool ins__is_call(const struct ins *ins);
+int ins__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops);
+
+struct annotation;
+
+struct disasm_line {
+       struct list_head    node;
+       s64                 offset;
+       char                *line;
+       char                *name;
+       struct ins          *ins;
+       int                 line_nr;
+       struct ins_operands ops;
+};
+
+static inline bool disasm_line__has_offset(const struct disasm_line *dl)
+{
+       return dl->ops.target.offset != UINT64_MAX;
+}
+
+void disasm_line__free(struct disasm_line *dl);
+struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos);
+int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
+size_t disasm__fprintf(struct list_head *head, FILE *fp);
+double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
+                           s64 end, const char **path);
+
+struct sym_hist {
+       u64             sum;
+       u64             addr[0];
+};
+
+struct source_line_percent {
+       double          percent;
+       double          percent_sum;
+};
+
+struct source_line {
+       struct rb_node  node;
+       char            *path;
+       int             nr_pcnt;
+       struct source_line_percent p[1];
+};
+
+/** struct annotated_source - symbols with hits have this attached as in sannotation
+ *
+ * @histogram: Array of addr hit histograms per event being monitored
+ * @lines: If 'print_lines' is specified, per source code line percentages
+ * @source: source parsed from a disassembler like objdump -dS
+ *
+ * lines is allocated, percentages calculated and all sorted by percentage
+ * when the annotation is about to be presented, so the percentages are for
+ * one of the entries in the histogram array, i.e. for the event/counter being
+ * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
+ * returns.
+ */
+struct annotated_source {
+       struct list_head   source;
+       struct source_line *lines;
+       int                nr_histograms;
+       int                sizeof_sym_hist;
+       struct sym_hist    histograms[0];
+};
+
+struct annotation {
+       pthread_mutex_t         lock;
+       struct annotated_source *src;
+};
+
+static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
+{
+       return (((void *)&notes->src->histograms) +
+               (notes->src->sizeof_sym_hist * idx));
+}
+
+static inline struct annotation *symbol__annotation(struct symbol *sym)
+{
+       return (void *)sym - symbol_conf.priv_size;
+}
+
+int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx);
+
+int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 addr);
+
+int symbol__alloc_hist(struct symbol *sym);
+void symbol__annotate_zero_histograms(struct symbol *sym);
+
+int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
+
+int hist_entry__annotate(struct hist_entry *he, size_t privsize);
+
+int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym);
+int symbol__annotate_printf(struct symbol *sym, struct map *map,
+                           struct perf_evsel *evsel, bool full_paths,
+                           int min_pcnt, int max_lines, int context);
+void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
+void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
+void disasm__purge(struct list_head *head);
+
+bool ui__has_annotation(void);
+
+int symbol__tty_annotate(struct symbol *sym, struct map *map,
+                        struct perf_evsel *evsel, bool print_lines,
+                        bool full_paths, int min_pcnt, int max_lines);
+
+#ifdef HAVE_SLANG_SUPPORT
+int symbol__tui_annotate(struct symbol *sym, struct map *map,
+                        struct perf_evsel *evsel,
+                        struct hist_browser_timer *hbt);
+#else
+static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
+                               struct map *map __maybe_unused,
+                               struct perf_evsel *evsel  __maybe_unused,
+                               struct hist_browser_timer *hbt
+                               __maybe_unused)
+{
+       return 0;
+}
+#endif
+
+extern const char      *disassembler_style;
+
+#endif /* __PERF_ANNOTATE_H */