[llvm] [hwasan][NFCI] Rename ClRandomSkipRate to ClRandomKeepRate (PR #126990)

[Thurston Dang via llvm-commits]

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@@ -195,9 +195,11 @@ static cl::opt<int> ClHotPercentileCutoff("hwasan-percentile-cutoff-hot",
                                           cl::desc("Hot percentile cutoff."));
 
 static cl::opt<float>
-    ClRandomSkipRate("hwasan-random-rate",
+    ClRandomKeepRate("hwasan-random-rate",
                      cl::desc("Probability value in the range [0.0, 1.0] "
-                              "to keep instrumentation of a function."));
+                              "to keep instrumentation of a function. "
+                              "Note: instrumentation can be skipped randomly "
+                              "OR because of the hot percentile cutoff."));
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thurstond wrote:

Done

https://github.com/llvm/llvm-project/pull/126990