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HeenaBansal2009 2022-05-11 09:15:55 -07:00
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docs/en/operations/optimizing-performance/sampling-query-profiler.md
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@ -29,7 +29,7 @@ To analyze the `trace_log` system table:
- Use the `addressToLine`, `addressToLineWithInlines`, `addressToSymbol` and `demangle` [introspection functions](../../sql-reference/functions/introspection.md) to get function names and their positions in ClickHouse code. To get a profile for some query, you need to aggregate data from the `trace_log` table. You can aggregate data by individual functions or by the whole stack traces.
If you need to visualize `trace_log` info, try [flamegraph](../../interfaces/third-party/gui/#clickhouse-flamegraph) and [speedscope](https://github.com/laplab/clickhouse-speedscope).
If you need to visualize `trace_log` info, try [flamegraph](../../interfaces/third-party/gui.md#clickhouse-flamegraph-clickhouse-flamegraph) and [speedscope](https://github.com/laplab/clickhouse-speedscope).
## Example {#example}