39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
 
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// retoor <retoor@molodetz.nl>
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#ifndef GRAPHS_H
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#define GRAPHS_H
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/*
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* Column-chart renderer for abr.
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*
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* Every visual in abr is the same object: a vertical bar chart with a labelled
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* y-axis, a baseline and an x-axis. One shape, one colour language, no
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* decoration. Charts adapt to the terminal width and degrade to plain ASCII
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* when colour is turned off.
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*/
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/* Enable or disable ANSI colour. Call once at start-up (e.g. isatty(1)). */
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void graph_set_color(int enabled);
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/* Width in columns the charts will occupy, for aligning surrounding output. */
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int graph_width(void);
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/* Bold section rule, e.g. graph_section("Latency"). */
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void graph_section(const char *title);
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/* Distribution of response times. Input need not be sorted. */
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void graph_latency_histogram(const double *durations_ms, int count);
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/* Completed requests per time slice; failures stack on top in red. */
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void graph_throughput(const double *finish_ms, const int *failed, int count,
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double total_seconds);
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/* Mean response time per time slice, over successful requests only. */
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void graph_latency_over_time(const double *finish_ms, const double *durations_ms,
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const int *failed, int count, double total_seconds);
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/* Response time percentiles as columns; the tail (p95+) is highlighted. */
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void graph_percentiles(const double *durations_ms, int count);
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#endif
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