diff --git a/backends/ze/ze_sampling_plugin.c b/backends/ze/ze_sampling_plugin.c
index 79e6a2f4..bdb6bcaa 100644
--- a/backends/ze/ze_sampling_plugin.c
+++ b/backends/ze/ze_sampling_plugin.c
@@ -755,7 +755,10 @@ void thapi_initialize_sampling_plugin(void) {
 
   // register L0 sampler exactly once
   {
-    struct timespec interval = {.tv_sec = 0, .tv_nsec = 50000000}; /* 50 ms */
+    const char *s = getenv("LTTNG_UST_ZE_SAMPLING_ENERGY_PERIOD_MS");
+    long milliseconds = s ? atol(s) : 50;
+    struct timespec interval = {.tv_sec = milliseconds / 1000,
+                                .tv_nsec = (milliseconds % 1000) * 1000000L};
     plugin_handle = thapi_register_sampling(&thapi_sampling_energy, &interval);
   }
   return;
diff --git a/integration_tests/sampling.bats b/integration_tests/sampling.bats
index eaeb8ef9..ae81bba5 100644
--- a/integration_tests/sampling.bats
+++ b/integration_tests/sampling.bats
@@ -1,5 +1,49 @@
 bats_require_minimum_version 1.5.0
 
+@test "sampling_interval_help" {
+  run iprof --help
+
+  [ "$status" -eq 0 ]
+  [[ "$output" == *"-i, --sample-interval MS"* ]]
+  [[ "$output" == *"Default: 50"* ]]
+  [[ "$output" == *"frequency, energy, engine, fabric-port, and memory"* ]]
+}
+
+@test "sampling_interval_is_passed_to_ze_sampler" {
+  for option in -i --sample-interval; do
+    trace="sampling_interval_trace_${option#-}"
+    rm -rf "$trace"
+
+    LTTNG_UST_ZE_LIBZE_LOADER=/dev/null \
+      iprof --no-analysis --sample --backends ze "$option" 125 \
+      --trace-output "$trace" -- \
+      bash -c 'test "$LTTNG_UST_ZE_SAMPLING_ENERGY_PERIOD_MS" = 125'
+  done
+}
+
+@test "sampling_interval_rejects_invalid_values" {
+  for interval in 0 -1 nope; do
+    run iprof --sample --sample-interval "$interval" -- true
+
+    [ "$status" -ne 0 ]
+    [[ "$output" == *"ERROR:"* ]]
+  done
+}
+
+@test "sampling_interval_requires_sampling" {
+  run iprof --sample-interval 125 -- true
+
+  [ "$status" -ne 0 ]
+  [[ "$output" == *"--sample-interval requires --sample"* ]]
+}
+
+@test "sampling_interval_requires_ze_backend" {
+  run iprof --sample --sample-interval 125 --backends cxi -- true
+
+  [ "$status" -ne 0 ]
+  [[ "$output" == *"--sample-interval requires the ze backend"* ]]
+}
+
 @test "sampling_heartbeat" {
   rm -rf heartbeat_trace
 
diff --git a/xprof/xprof.rb.in b/xprof/xprof.rb.in
index 95af63b0..6cf53b7b 100755
--- a/xprof/xprof.rb.in
+++ b/xprof/xprof.rb.in
@@ -928,6 +928,7 @@ def all_env_tracers(usr_binary)
       #   is to call zesInit and set ZES_ENABLE_SYSMAN to 0
       h['ZES_ENABLE_SYSMAN'] = 0
       h['LTTNG_UST_ZE_SAMPLING_ENERGY'] = 1
+      h['LTTNG_UST_ZE_SAMPLING_ENERGY_PERIOD_MS'] = OPTIONS[:'sample-interval'] if OPTIONS.include?(:'sample-interval')
       h['THAPI_SAMPLING_LIBRARIES'] << File.join(PKGLIBDIR, 'ze', 'libZESampling.so')
     end
   end
@@ -1067,6 +1068,14 @@ if $thapi_launch || __FILE__ == $PROGRAM_NAME
             'Use -1 for no limit.', default: 80)
 
   parser.on('-s', '--sample', 'Enable counters sampling.')
+  parser.on('-i', '--sample-interval MS', OptionParser::DecimalInteger,
+            'Set the Level Zero telemetry sampling interval in milliseconds.',
+            'Controls frequency, energy, engine, fabric-port, and memory samples.',
+            'Default: 50 ms.') do |interval|
+    raise(OptionParser::ParseError, 'sample interval must be greater than zero') unless interval.positive?
+
+    interval
+  end
 
   parser.on('--metadata', 'Display trace metadata.')
   parser.on('-v', '--version', 'Print the Version String.') do
@@ -1098,6 +1107,13 @@ if $thapi_launch || __FILE__ == $PROGRAM_NAME
   options = {}
   begin
     parser.parse!(into: options)
+    options[:'backend-names'] = options[:backends].map { |name_level| name_level.split(':').first }
+    if options.include?(:'sample-interval')
+      raise OptionParser::ParseError, '--sample-interval requires --sample' unless options[:sample]
+      unless options[:'backend-names'].include?('ze')
+        raise OptionParser::ParseError, '--sample-interval requires the ze backend'
+      end
+    end
   rescue OptionParser::InvalidOption => e
     puts("ERROR: #{e}. Maybe missing --?")
     print_help_and_exit(parser)
@@ -1106,7 +1122,6 @@ if $thapi_launch || __FILE__ == $PROGRAM_NAME
     print_help_and_exit(parser)
   end
 
-  options[:'backend-names'] = options[:backends].map { |name_level| name_level.split(':').first }
   OPTIONS = options.freeze
 
   if (launcher = %w[mpirun mpiexec].find { |b| ARGV.include?(b) })