Update cheatsheets

pprof

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pprof
+
+> Command-line tool for visualization and analysis of profile data.
+> More information: <https://github.com/google/pprof>.
+
+- Generate a text report from a specific profiling file, on fibbo binary:
+
+`pprof -top {{./fibbo}} {{./fibbo-profile.pb.gz}}`
+
+- Generate a graph and open it on a web browser:
+
+`pprof -svg {{./fibbo}} {{./fibbo-profile.pb.gz}}`
+
+- Run pprof in interactive mode to be able to manually launch `pprof` on a file:
+
+`pprof {{./fibbo}} {{./fibbo-profile.pb.gz}}`
+
+- Run a web server that serves a web interface on top of `pprof`:
+
+`pprof -http={{localhost:8080}} {{./fibbo}} {{./fibbo-profile.pb.gz}}`
+
+- Fetch a profile from an HTTP server and generate a report:
+
+`pprof {{http://localhost:8080/debug/pprof}}`