diff --git a/tools/perf/pmu-events/arch/s390/cf_z15/crypto6.json b/tools/perf/pmu-events/arch/s390/cf_z15/crypto6.json
index 5e36bc2468d0..c998e4f1d1d2 100644
--- a/tools/perf/pmu-events/arch/s390/cf_z15/crypto6.json
+++ b/tools/perf/pmu-events/arch/s390/cf_z15/crypto6.json
@@ -4,27 +4,27 @@
 		"EventCode": "80",
 		"EventName": "ECC_FUNCTION_COUNT",
 		"BriefDescription": "ECC Function Count",
-		"PublicDescription": "Long ECC function Count"
+		"PublicDescription": "This counter counts the total number of the elliptic-curve cryptography (ECC) functions issued by the CPU."
 	},
 	{
 		"Unit": "CPU-M-CF",
 		"EventCode": "81",
 		"EventName": "ECC_CYCLES_COUNT",
 		"BriefDescription": "ECC Cycles Count",
-		"PublicDescription": "Long ECC Function cycles count"
+		"PublicDescription": "This counter counts the total number of CPU cycles when the ECC coprocessor is busy performing the elliptic-curve cryptography (ECC) functions issued by the CPU."
 	},
 	{
 		"Unit": "CPU-M-CF",
 		"EventCode": "82",
 		"EventName": "ECC_BLOCKED_FUNCTION_COUNT",
 		"BriefDescription": "Ecc Blocked Function Count",
-		"PublicDescription": "Long ECC blocked function count"
+		"PublicDescription": "This counter counts the total number of the elliptic-curve cryptography (ECC) functions that are issued by the CPU and are blocked because the ECC coprocessor is busy performing a function issued by another CPU."
 	},
 	{
 		"Unit": "CPU-M-CF",
 		"EventCode": "83",
 		"EventName": "ECC_BLOCKED_CYCLES_COUNT",
 		"BriefDescription": "ECC Blocked Cycles Count",
-		"PublicDescription": "Long ECC blocked cycles count"
+		"PublicDescription": "This counter counts the total number of CPU cycles blocked for the elliptic-curve cryptography (ECC) functions issued by the CPU because the ECC coprocessor is busy performing a function issued by another CPU."
 	},
 ]
diff --git a/tools/perf/pmu-events/arch/s390/cf_z15/extended.json b/tools/perf/pmu-events/arch/s390/cf_z15/extended.json
index 89e070727e1b..2df2e231e9ee 100644
--- a/tools/perf/pmu-events/arch/s390/cf_z15/extended.json
+++ b/tools/perf/pmu-events/arch/s390/cf_z15/extended.json
@@ -25,7 +25,7 @@
 		"EventCode": "131",
 		"EventName": "DTLB2_HPAGE_WRITES",
 		"BriefDescription": "DTLB2 One-Megabyte Page Writes",
-		"PublicDescription": "A translation entry was written into the Combined Region and Segment Table Entry array in the Level-2 TLB for a one-megabyte page or a Last Host Translation was done"
+		"PublicDescription": "A translation entry was written into the Combined Region and Segment Table Entry array in the Level-2 TLB for a one-megabyte page"
 	},
 	{
 		"Unit": "CPU-M-CF",
@@ -356,6 +356,34 @@
 		"BriefDescription": "Aborted transactions in constrained TX mode using special completion logic",
 		"PublicDescription": "A transaction abort has occurred in a constrained transactional-execution mode and the CPU is using special logic to allow the transaction to complete"
 	},
+	{
+		"Unit": "CPU-M-CF",
+		"EventCode": "247",
+		"EventName": "DFLT_ACCESS",
+		"BriefDescription": "Cycles CPU spent obtaining access to Deflate unit",
+		"PublicDescription": "Cycles CPU spent obtaining access to Deflate unit"
+	},
+	{
+		"Unit": "CPU-M-CF",
+		"EventCode": "252",
+		"EventName": "DFLT_CYCLES",
+		"BriefDescription": "Cycles CPU is using Deflate unit",
+		"PublicDescription": "Cycles CPU is using Deflate unit"
+	},
+	{
+		"Unit": "CPU-M-CF",
+		"EventCode": "264",
+		"EventName": "DFLT_CC",
+		"BriefDescription": "Increments by one for every DEFLATE CONVERSION CALL instruction executed",
+		"PublicDescription": "Increments by one for every DEFLATE CONVERSION CALL instruction executed"
+	},
+	{
+		"Unit": "CPU-M-CF",
+		"EventCode": "265",
+		"EventName": "DFLT_CCERROR",
+		"BriefDescription": "Increments by one for every DEFLATE CONVERSION CALL instruction executed that ended in Condition Codes 0, 1 or 2",
+		"PublicDescription": "Increments by one for every DEFLATE CONVERSION CALL instruction executed that ended in Condition Codes 0, 1 or 2"
+	},
 	{
 		"Unit": "CPU-M-CF",
 		"EventCode": "448",