diff --git a/bl31/aarch64/bl31_entrypoint.S b/bl31/aarch64/bl31_entrypoint.S
index 74b0993..665a05e 100644
--- a/bl31/aarch64/bl31_entrypoint.S
+++ b/bl31/aarch64/bl31_entrypoint.S
@@ -9,7 +9,7 @@
 #include <arch.h>
 #include <common/bl_common.h>
 #include <el3_common_macros.S>
-#include <lib/pmf/pmf_asm_macros.S>
+#include <lib/pmf/aarch64/pmf_asm_macros.S>
 #include <lib/runtime_instr.h>
 #include <lib/xlat_tables/xlat_mmu_helpers.h>
 
diff --git a/bl32/sp_min/aarch32/entrypoint.S b/bl32/sp_min/aarch32/entrypoint.S
index 0a68475..f3a1e44 100644
--- a/bl32/sp_min/aarch32/entrypoint.S
+++ b/bl32/sp_min/aarch32/entrypoint.S
@@ -10,6 +10,9 @@
 #include <common/runtime_svc.h>
 #include <context.h>
 #include <el3_common_macros.S>
+#include <lib/el3_runtime/cpu_data.h>
+#include <lib/pmf/aarch32/pmf_asm_macros.S>
+#include <lib/runtime_instr.h>
 #include <lib/xlat_tables/xlat_tables_defs.h>
 #include <smccc_helpers.h>
 #include <smccc_macros.S>
@@ -164,6 +167,20 @@
 	/* On SMC entry, `sp` points to `smc_ctx_t`. Save `lr`. */
 	str	lr, [sp, #SMC_CTX_LR_MON]
 
+#if ENABLE_RUNTIME_INSTRUMENTATION
+	/*
+	 * Read the timestamp value and store it on top of the C runtime stack.
+	 * The value will be saved to the per-cpu data once the C stack is
+	 * available, as a valid stack is needed to call _cpu_data()
+	 */
+	strd	r0, r1, [sp, #SMC_CTX_GPREG_R0]
+	ldcopr16 r0, r1, CNTPCT_64
+	ldr	lr, [sp, #SMC_CTX_SP_MON]
+	strd	r0, r1, [lr, #-8]!
+	str	lr, [sp, #SMC_CTX_SP_MON]
+	ldrd	r0, r1, [sp, #SMC_CTX_GPREG_R0]
+#endif
+
 	smccc_save_gp_mode_regs
 
 	clrex_on_monitor_entry
@@ -175,6 +192,23 @@
 	mov	r2, sp				/* handle */
 	ldr	sp, [r2, #SMC_CTX_SP_MON]
 
+#if ENABLE_RUNTIME_INSTRUMENTATION
+	/* Save handle to a callee saved register */
+	mov	r6, r2
+
+	/*
+	 * Restore the timestamp value and store it in per-cpu data. The value
+	 * will be extracted from per-cpu data by the C level SMC handler and
+	 * saved to the PMF timestamp region.
+	 */
+	ldrd	r4, r5, [sp], #8
+	bl	_cpu_data
+	strd	r4, r5, [r0, #CPU_DATA_PMF_TS0_OFFSET]
+
+	/* Restore handle */
+	mov	r2, r6
+#endif
+
 	ldr	r0, [r2, #SMC_CTX_SCR]
 	and	r3, r0, #SCR_NS_BIT		/* flags */
 
@@ -239,6 +273,16 @@
  * The Warm boot entrypoint for SP_MIN.
  */
 func sp_min_warm_entrypoint
+#if ENABLE_RUNTIME_INSTRUMENTATION
+	/*
+	 * This timestamp update happens with cache off.  The next
+	 * timestamp collection will need to do cache maintenance prior
+	 * to timestamp update.
+	 */
+	pmf_calc_timestamp_addr rt_instr_svc, RT_INSTR_EXIT_HW_LOW_PWR
+	ldcopr16 r2, r3, CNTPCT_64
+	strd	r2, r3, [r0]
+#endif
 	/*
 	 * On the warm boot path, most of the EL3 initialisations performed by
 	 * 'el3_entrypoint_common' must be skipped:
@@ -295,6 +339,30 @@
 	bl	smc_get_next_ctx
 	/* r0 points to `smc_ctx_t` */
 	/* The PSCI cpu_context registers have been copied to `smc_ctx_t` */
+
+#if ENABLE_RUNTIME_INSTRUMENTATION
+	/* Save smc_ctx_t */
+	mov	r5, r0
+
+	pmf_calc_timestamp_addr rt_instr_svc, RT_INSTR_EXIT_PSCI
+	mov	r4, r0
+
+	/*
+	 * Invalidate before updating timestamp to ensure previous timestamp
+	 * updates on the same cache line with caches disabled are properly
+	 * seen by the same core. Without the cache invalidate, the core might
+	 * write into a stale cache line.
+	 */
+	mov	r1, #PMF_TS_SIZE
+	bl	inv_dcache_range
+
+	ldcopr16 r0, r1, CNTPCT_64
+	strd	r0, r1, [r4]
+
+	/* Restore smc_ctx_t */
+	mov	r0, r5
+#endif
+
 	b	sp_min_exit
 endfunc sp_min_warm_entrypoint
 
diff --git a/bl32/sp_min/sp_min.ld.S b/bl32/sp_min/sp_min.ld.S
index 4559903..6997a7f 100644
--- a/bl32/sp_min/sp_min.ld.S
+++ b/bl32/sp_min/sp_min.ld.S
@@ -55,6 +55,14 @@
         KEEP(*(rt_svc_descs))
         __RT_SVC_DESCS_END__ = .;
 
+#if ENABLE_PMF
+        /* Ensure 4-byte alignment for descriptors and ensure inclusion */
+        . = ALIGN(4);
+        __PMF_SVC_DESCS_START__ = .;
+        KEEP(*(pmf_svc_descs))
+        __PMF_SVC_DESCS_END__ = .;
+#endif /* ENABLE_PMF */
+
         /*
          * Ensure 4-byte alignment for cpu_ops so that its fields are also
          * aligned. Also ensure cpu_ops inclusion.
diff --git a/bl32/sp_min/sp_min_main.c b/bl32/sp_min/sp_min_main.c
index f39e33b..f050160 100644
--- a/bl32/sp_min/sp_min_main.c
+++ b/bl32/sp_min/sp_min_main.c
@@ -19,7 +19,9 @@
 #include <context.h>
 #include <drivers/console.h>
 #include <lib/el3_runtime/context_mgmt.h>
+#include <lib/pmf/pmf.h>
 #include <lib/psci/psci.h>
+#include <lib/runtime_instr.h>
 #include <lib/utils.h>
 #include <plat/common/platform.h>
 #include <platform_sp_min.h>
@@ -28,6 +30,11 @@
 
 #include "sp_min_private.h"
 
+#if ENABLE_RUNTIME_INSTRUMENTATION
+PMF_REGISTER_SERVICE_SMC(rt_instr_svc, PMF_RT_INSTR_SVC_ID,
+	RT_INSTR_TOTAL_IDS, PMF_STORE_ENABLE)
+#endif
+
 /* Pointers to per-core cpu contexts */
 static void *sp_min_cpu_ctx_ptr[PLATFORM_CORE_COUNT];
 
diff --git a/include/lib/pmf/aarch32/pmf_asm_macros.S b/include/lib/pmf/aarch32/pmf_asm_macros.S
new file mode 100644
index 0000000..1dbb408
--- /dev/null
+++ b/include/lib/pmf/aarch32/pmf_asm_macros.S
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PMF_ASM_MACROS_S
+#define PMF_ASM_MACROS_S
+
+#define PMF_TS_SIZE	8
+
+	/*
+	 * This macro calculates the address of the per-cpu timestamp
+	 * for the given service name and local timestamp id.
+	 * Clobbers: r0 - r4
+	 */
+	.macro pmf_calc_timestamp_addr _name, _tid
+	mov	r4, lr
+	bl	plat_my_core_pos
+	mov	lr, r4
+	ldr	r1, =__PERCPU_TIMESTAMP_SIZE__
+	mov	r2, #(\_tid * PMF_TS_SIZE)
+	mla	r0, r0, r1, r2
+	ldr	r1, =pmf_ts_mem_\_name
+	add	r0, r0, r1
+	.endm
+
+#endif /* PMF_ASM_MACROS_S */
diff --git a/include/lib/pmf/pmf_asm_macros.S b/include/lib/pmf/aarch64/pmf_asm_macros.S
similarity index 100%
rename from include/lib/pmf/pmf_asm_macros.S
rename to include/lib/pmf/aarch64/pmf_asm_macros.S
diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk
index ccb851e..cda39b7 100644
--- a/plat/arm/common/arm_common.mk
+++ b/plat/arm/common/arm_common.mk
@@ -222,6 +222,9 @@
 BL31_SOURCES		+=	plat/arm/common/aarch64/execution_state_switch.c\
 				plat/arm/common/arm_sip_svc.c			\
 				lib/pmf/pmf_smc.c
+else
+BL32_SOURCES		+=	plat/arm/common/arm_sip_svc.c			\
+				lib/pmf/pmf_smc.c
 endif
 endif