sprof: add page (#21457)

pages/linux/sprof.md

@@ -0,0 +1,25 @@
+# sprof
+
+> Read and display shared object profiling data.
+> Note: Requires profile data generated via the `$LD_PROFILE` environment variable.
+> More information: <https://manned.org/sprof>.
+
+- Generate a flat profile and call graph (default output):
+
+`sprof {{path/to/library.so}} {{path/to/library.so.profile}}`
+
+- Generate a flat profile with counts and ticks:
+
+`sprof {{[-p|--flat-profile]}} {{path/to/library.so}} {{path/to/library.so.profile}}`
+
+- Generate a call graph:
+
+`sprof {{[-q|--graph]}} {{path/to/library.so}} {{path/to/library.so.profile}}`
+
+- Print call pairs and their usage counts:
+
+`sprof {{[-c|--call-pairs]}} {{path/to/library.so}} {{path/to/library.so.profile}}`
+
+- Use profile data from current directory (auto-detected by soname):
+
+`sprof {{path/to/library.so}}`