Emitter: Add support for row-based output in table mode.
This is needed for things like mutex stats in table mode.
This commit is contained in:
committed by
David Goldblatt
parent
9e1846b004
commit
ebe0b5f828
@@ -1,6 +1,8 @@
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#ifndef JEMALLOC_INTERNAL_EMITTER_H
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#define JEMALLOC_INTERNAL_EMITTER_H
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#include "jemalloc/internal/ql.h"
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typedef enum emitter_output_e emitter_output_t;
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enum emitter_output_e {
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emitter_output_json,
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@@ -25,8 +27,50 @@ enum emitter_type_e {
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emitter_type_size,
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emitter_type_ssize,
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emitter_type_string,
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/*
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* A title is a column title in a table; it's just a string, but it's
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* not quoted.
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*/
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emitter_type_title,
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};
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typedef struct emitter_col_s emitter_col_t;
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struct emitter_col_s {
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/* Filled in by the user. */
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emitter_justify_t justify;
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int width;
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emitter_type_t type;
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union {
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bool bool_val;
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int int_val;
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unsigned unsigned_val;
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uint32_t uint32_val;
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uint64_t uint64_val;
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size_t size_val;
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ssize_t ssize_val;
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const char *str_val;
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};
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/* Filled in by initialization. */
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ql_elm(emitter_col_t) link;
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};
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typedef struct emitter_row_s emitter_row_t;
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struct emitter_row_s {
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ql_head(emitter_col_t) cols;
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};
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static inline void
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emitter_row_init(emitter_row_t *row) {
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ql_new(&row->cols);
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}
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static inline void
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emitter_col_init(emitter_col_t *col, emitter_row_t *row) {
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ql_elm_new(col, link);
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ql_tail_insert(&row->cols, col, link);
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}
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typedef struct emitter_s emitter_t;
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struct emitter_s {
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emitter_output_t output;
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@@ -141,12 +185,6 @@ emitter_print_value(emitter_t *emitter, emitter_justify_t justify, int width,
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* anywhere near the fmt size.
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*/
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assert(str_written < BUF_SIZE);
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/*
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* We don't support justified quoted string primitive values for
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* now. Fortunately, we don't want to emit them.
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*/
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emitter_gen_fmt(fmt, FMT_SIZE, "s", justify, width);
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emitter_printf(emitter, fmt, buf);
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break;
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@@ -156,6 +194,9 @@ emitter_print_value(emitter_t *emitter, emitter_justify_t justify, int width,
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case emitter_type_uint64:
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EMIT_SIMPLE(uint64_t, FMTu64)
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break;
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case emitter_type_title:
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EMIT_SIMPLE(char *const, "s");
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break;
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default:
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unreachable();
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}
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@@ -378,4 +419,17 @@ emitter_json_arr_value(emitter_t *emitter, emitter_type_t value_type,
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}
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}
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static inline void
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emitter_table_row(emitter_t *emitter, emitter_row_t *row) {
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if (emitter->output != emitter_output_table) {
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return;
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}
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emitter_col_t *col;
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ql_foreach(col, &row->cols, link) {
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emitter_print_value(emitter, col->justify, col->width,
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col->type, (const void *)&col->bool_val);
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}
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emitter_table_printf(emitter, "\n");
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}
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#endif /* JEMALLOC_INTERNAL_EMITTER_H */
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