Move PGO profile data to runsc/profiles/data.

The intermediate directory `runsc/profiles` is a convenient place to store
things like aggregate BUILD rules for merging profiles together.
Keep all the changing stuff in a subdirectory.

PiperOrigin-RevId: 775895482

Author: EtiennePerot

.buildkite/scripts/pgo/commit-update.sh

@@ -30,7 +30,7 @@ git stash
 git pull --rebase=true "$repo_url" master
 git checkout -b "$pgo_branch_name"
 git stash pop
-git add runsc/profiles
+git add runsc/profiles/data
 git status
 
 # Commit and push PR branch.

.buildkite/scripts/pgo/maybe-skip.sh

@@ -53,7 +53,7 @@ if [[ "$(gh pr --repo="$repo_url" list --label pgo-update --state open --json ti
 fi
 
 if [[ "$tolerate_no_profile_changes" == false ]]; then
-  if [[ "$(git status --porcelain runsc/profiles | wc -l)" == 0 ]]; then
+  if [[ "$(git status --porcelain runsc/profiles/data | wc -l)" == 0 ]]; then
     echo "No changes to runsc profiles; skipping." >&2
     exit 0
   fi

Makefile

@@ -568,15 +568,15 @@ benchmark-refresh-pgo: load-benchmarks $(RUNTIME_BIN) ## Refresh profiles of all
 		export PGO_LAST_PKG_COMMIT_HASH; \
 		for PLATFORM in $(BENCHMARKS_PLATFORMS); do \
 			export PLATFORM; \
-			mkdir -p "$(REPO_DIR)/runsc/profiles/$${PGO_RUNTIME_KEY}_$${PLATFORM}"; \
+			mkdir -p "$(REPO_DIR)/runsc/profiles/data/$${PGO_RUNTIME_KEY}_$${PLATFORM}"; \
 			PLATFORM_TMPDIR="$$(mktemp --tmpdir=/tmp --directory "pgo_$${PGO_RUNTIME_KEY}_$${PLATFORM}.XXXXXXXX")"; \
 			export PLATFORM_TMPDIR; \
 			for PGO_BENCHMARK_TARGET in $$( $(call query,'attr(tags, gvisor_pgo_benchmark, //test/benchmarks/...)') | sed 's~^//~~'); do \
 				PGO_BENCHMARK_BASENAME="$$(echo "$${PGO_BENCHMARK_TARGET}" | cut -d: -f2 | sed 's/_test$$//')"; \
 				export PGO_BENCHMARK_BASENAME; \
-				PGO_PROFILE_OLD_COMMIT_HASH="$(REPO_DIR)/runsc/profiles/$${PGO_RUNTIME_KEY}_$${PLATFORM}/$${PGO_BENCHMARK_BASENAME}.pgo.pkg_commithash"; \
+				PGO_PROFILE_OLD_COMMIT_HASH="$(REPO_DIR)/runsc/profiles/data/$${PGO_RUNTIME_KEY}_$${PLATFORM}/$${PGO_BENCHMARK_BASENAME}.pgo.pkg_commithash"; \
 				export PGO_PROFILE_OLD_COMMIT_HASH; \
-				PGO_PROFILE_OLD="$(REPO_DIR)/runsc/profiles/$${PGO_RUNTIME_KEY}_$${PLATFORM}/$${PGO_BENCHMARK_BASENAME}.pgo.pprof.pb.gz"; \
+				PGO_PROFILE_OLD="$(REPO_DIR)/runsc/profiles/data/$${PGO_RUNTIME_KEY}_$${PLATFORM}/$${PGO_BENCHMARK_BASENAME}.pgo.pprof.pb.gz"; \
 				export PGO_PROFILE_OLD; \
 				PGO_PROFILE_NEW="$${PLATFORM_TMPDIR}/$${PGO_BENCHMARK_BASENAME}.pgo.pprof.pb.gz"; \
 				export PGO_PROFILE_NEW; \