diff --git a/api/@ohos.hiperf.d.ts b/api/@ohos.hiperf.d.ts
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+/*
+ * Copyright (C) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Provides interfaces to trace a task for performance measure by hiperf.
+ * result can be use by hiperf python script
+ *
+ * @SysCap SystemCapability.Developtools.Hiperf
+ * @since 7
+ */
+
+declare namespace hiperf {
+    /**
+     * Start record when RecordOption pass to Client
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function startWithOption(): boolean;
+
+    /**
+     * Reset the option
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function resetOption(): boolean
+
+    /**
+     * Start record with default options
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function start(): boolean;
+
+    /**
+     * Pause recording
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function pause(): boolean;
+
+    /**
+     * Resume recording
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function resume(): boolean;
+
+    /**
+     * Stop recording
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function stop(): boolean;
+
+    /**
+     * Check the client is ready
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function isReady(): boolean;
+
+    /**
+     * Set the output dir
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     * @param directory
+     */
+    function setup(outputDir: string): boolean;
+
+    /**
+     * Get the output dir
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function getOutputDir(): string;
+
+    /**
+     * Get the command path
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function getCommandPath(): string;
+    /**
+     * Get the the fullpath of output file
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function getOutputPerfDataPath(): string;
+
+    function setDebugMode(): boolean;
+
+    /**
+     * Set output file name, default is perf.data
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     * @param Filename
+     */
+    function setOutputFilename(outputFilename: string): boolean;
+
+    /**
+     * Get output file name
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function getOutputFileName(): string;
+
+    /**
+     * Collect system-wide information for measures all processes/threads
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     * @param default is disable.
+     */
+    function setTargetSystemWide(enble: boolean): boolean;
+
+    /**
+     * Compress record data.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     * @param default is disable.
+     */
+    function setCompressData(enble: boolean): boolean;
+
+    /**
+     * Specify cpu ID
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     * @param cpu ID should 0,1,2...
+     */
+    function setSelectCpus(cpus: number[]): boolean;
+
+    /**
+     * Stop in <timeStopSec> seconds.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     * @param default is 10000 seconds
+     */
+    function setTimeStopSec(timeStopSec: number): boolean;
+
+    /**
+     * Set event sampling frequency.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     * @param default is 4000 samples every second.
+     */
+    function setFrequency(frequency: number): boolean;
+
+    /**
+     * Set event sampling period for tracepoint events.
+     * recording one sample when <period> events happen.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     * @param default is 1
+     */
+    function setPeriod(period: number): boolean;
+
+    /**
+     * Customize the name of the event that needs to be sampled.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setSelectEvents(selectEvents: string[]): boolean;
+
+    /**
+     * Customize the name of the event that needs to be grouped.
+     * the function is added on the basis of the function of the SetSelectEvents().
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setSelectGroups(selectGroups: string[]): boolean;
+
+    /**
+     * Set to don't tracing child processes.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     * param default is disable
+     */
+    function setNoInherit(enable: boolean): boolean;
+
+    /**
+     * Set the limit process id of the collection target.
+     * Conflicts with the SetTargetSystemWide(true).
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setSelectPids(selectPids: number[]): boolean;
+
+    /**
+     * Set the limit thread id of the collection target.
+     * Conflicts with the SetTargetSystemWide(true).
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setSelectTids(selectTids: number[]): boolean;
+
+    /**
+     * Set don’t record events issued by hiperf itself.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setExcludePerf(excludePerf: boolean): boolean;
+
+    /**
+     * Set the max percent of cpu time used for recording.
+     * percent is in range [1-100]
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     * @param default is 25
+     */
+    function setCpuPercent(cpuPercent: number): boolean;
+
+    /**
+     * Set tracing when threads are scheduled off cpu
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     * @param default is disable
+     */
+    function setOffCPU(offCPU: boolean): boolean;
+
+    /**
+     * Set call-graph (stack chain/backtrace) recording, Default is 'fp'.
+     * as the method to collect the information used to show the call graphs.
+     * the value can be:
+     * fp: frame pointer
+     * dwarf: DWARF's CFI - Call Frame Information
+     * 'dwarf,###' set sample stack size, size should be in 8~65528 and 8 byte aligned.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setCallGraph(sampleTypes: string): boolean;
+
+    /**
+     * Set to unwind after recording.
+     * If '-g dwarf' used, stack will be unwind while recording by default
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setDelayUnwind(delayUnwind: boolean): boolean;
+
+    /**
+     * Set to disable unwinding.
+     * If '-g dwarf' used, stack will be unwind while recording  by default
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setDisableUnwind(disableUnwind: boolean): boolean;
+
+    /**
+     * Set callstack don't merged.
+     * If '-g dwarf' is used, to break the 64k stack limit, callstack is merged by default
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setDisableCallstackMerge(disableCallstackMerge: boolean): boolean;
+
+    /**
+     * Set directory to look for symbol files, used for unwinding.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setSymbolDir(symbolDir_: string): boolean;
+
+    /**
+     * Set to stop recording after <SIZE> bytes of records. Default is unlimited
+     * format like: SIZE[K|M|G]
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setDataLimit(limit: string): boolean;
+
+    /**
+     * Set a OHOS app name, collect profile info for this app, the app must be debuggable.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setAppPackage(appPackage: string): boolean;
+
+    /**
+     * Set the clock id to use for the various time fields in the perf_event_type records.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setClockId(clockId: string): boolean;
+
+    /**
+     * Set to take branch stack sampling, filter can be
+     *  any: any type of branch
+     *  any_call: any function call or system call
+     *  any_ret: any function return or system call return
+     *  ind_call: any indirect branch
+     *  call: direct calls, including far (to/from kernel) calls
+     *  u: only when the branch target is at the user level
+     *  k: only when the branch target is in the kernel\n"
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setVecBranchSampleTypes(vecBranchSampleTypes: string[]): boolean;
+
+    /**
+     * Set the size of the buffer used to receiving sample data from kernel,
+     * must be a power of two. If not set,  a value <=1024 will be used.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function setMmapPages(mmapPages: number): boolean;
+
+    /**
+     * Get the string vector of all options.
+     * @since 7
+     * @SysCap SystemCapability.Developtools.Hiperf
+     */
+    function getOptionVecString(): string[];
+}
+export default hiperf;